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Skincare Bible: The Must-Read Skincare Book & Beauty Tool for 2023

November 21, 2022
Dr. Teo Wan Lin Singapore Dermatologist

Dr. Teo Wan Lin is an international beauty KOL and the host of beauty podcast Dermatologist Talks Science of Beauty. As an accredited dermatologist and the author of the Skincare Bible, she was featured as the only South East Asian representative on Dior Beauty’s inaugural Digital Skincare Talks in 2020 with Philip Picardi and Gisele Bundchen. She is also an author of several books on skincare and haircare. The Skincare Bible is the first beauty book recommended in the series which sets the foundation for solid understanding in skincare science for all readers.

Skincare Bible Dermatologist's Tips for Cosmeceutical Skincare

The ideal skincare reference book is one that is comprehensive, ticks all the boxes for our frequently asked questions, and also easy to read. Does the Skincare Bible by Singapore dermatologist Dr. Teo Wan Lin meet these standards? An all in one skincyclopedia is every skincare enthusiast’s beauty must have. Read on to discover what this book offers.


♬ Ooh La La – Josie Dunne

Why you should have a skincare bible 

Learning is the most important thing to do for yourself this coming year. Knowledge is power and skincare empowerment doesn’t come with purchasing more products. For skincare, empowering yourself with solid knowledge is the best thing. This enables you to discern between marketing hype and make your skinvestment worth it! We know how skincare products aren’t cheap. However, sometimes drugstore alternatives can help troubled skin much better than expensive luxury skincare. A good guide can help you make this decision. This is why a skincare bible may just be the beauty tool you need for your new year skin resolution!

@booksbydr.twl Are retinols/retinoids truly the best anti-aging ingredient for all skin types including sensitive skin? Watch out this video to find out the answer #retinolhacks #skincareguide #skincaretips #dermatologist #booktok #retinolskincare #peptideserum #peptidesforskin #fyp #peptidemoisturizer #skincarebooks ♬ Relaxing Japanese-style piano song inviting nostalgia – Akiko Akiyama

Which skincare bible to choose?

A skincare bible is a cute term for a comprehensive skin encyclopedia. We aren’t expecting to become skin experts overnight, but it helps to have a book reference that teaches us how to! Googling for skincare knowledge online? That’s great because many websites like the Journal of the American Academy of Dermatology provides public education articles on important topics like basic skincare. However, this is where this book makes all the difference.

You get answers to the most frequently asked questions about skincare, from basic to advanced. More than that, in the Skincare Bible Dermatologist’s Tips on Cosmeceutical Skincare, the author promises answers to questions posed by the most seasoned beauty journalists, a compilation over her decade long career in beauty. Best of all, it’s the most current version written by any dermatologist and featuring regular updates from questions asked by beauty lovers on the author’s podcast. Evergreen content such as acne, eczema and rosacea tips initially tailored for the clinic’s patients is compiled in this useful skincare book.

@booksbydr.twl Dermatologist Talks: Sensitive Skincare 101 #learningisfun #skincareroutine #skincaretips #sensitiveskin #dermatologistontiktok #dermatologistrecommended #skincarebooks #drtwl #dermatologist ♬ Pieces (TikTok Classics Version) – Danilo Stankovic & Deutsches Filmorchester Babelsberg

How much does the skincare bible cost and is it worth it?

You can get the e-book download on Kindle at $8.99 which comes with a complimentary digital video masterclass. If you prefer a physical copy, head over to drtwlderma.com where you will get a complimentary sunscreen with the hardcover edition at $49.90 whilst stocks last. Based on our research,  this is the only skincare that offers a digital video masterclass included in the book. In this comprehensive 5 section video masterclass, topics on cosmeceuticals, common skin disorders like acne, pigmentation, eczema and skin sensitivity are covered by Dr. Teo Wan Lin. 

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Why you will love the Skincare Bible by Dr.TWL

It is well laid out, detailed and organised. It’s also easy to read with images interspersed between text. Best of all, it seems designed for millennial readers who much prefer learning in an FAQ format. The book has been quoted by and used as a reference book international beauty journalists on important skincare topics as well!

As seen on 

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Dr. Teo sharing about the Skincare Bible at Dior Capture Totale launch event

What’s in the Skincare Bible?

The book is organised according to major themes. For all book lovers out there, we know you value previews before investing in new books. We’ ve included a preview here so you know what you are getting!

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Skincare Bible Book Review 

What else is included that makes it different from other skincare bibles?

This skincare bible is the millennial beauty edit to get your hands on. Written by an expert who actually knows the inner workings of a skincare manufacturing business, the Skincare Bible is not just the opinion of an academic dermatologist. Dr. Teo is the chief scientific officer of Asian beauty brand Dr.TWL Dermaceuticals, featured in media internationally as an established dermatologist formulated line. This way you truly get the behind the scenes look at the skincare industry for what it is, sans marketing and celebrity endorsements.

Imagine getting behind the closed doors of a dermatologist’s office- and asking the million questions you’ve always had. Well, this book is written to satisfy the curiosity of the most hard core beauty enthusiast ever. The FAQ style breaks down questions and answers in easily digestible formats. The way the questions are presented and ordered is intuitive, building on simpler concepts before advancing to more complex skincare topics. 

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Where can I get a copy of the Skincare Bible?

If you live in Singapore, purchase a copy of the e-book or hard copy at Dr.TWL Dermaceuticals. If you are based in the US or the rest of the world, check out Amazon Kindle, Barnes & Noble, Apple Books and Scribd.

Information from the publisher

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This Skincare Bible is a Millennial Beauty Edit that imparts advanced skincare knowledge. Board-certified Singapore dermatologist and host of beauty podcast Dermatologist Talks Science of Beauty, Dr. Teo Wan Lin answers all your skincare questions in this comprehensive skincare encyclopedia. The skincare bible is part of the Beauty Bible Series which comes with a beauty guarantee. If you still have an unanswered question – send it to info@scienceofbeauty.net and Dr.TWL will answer it on her podcast as a featured question.

A worthy skin investment that will be continually updated, sign up for our mailing list at drtwlderma.com  to get lifetime bonus masterclasses and updates to the e-book with a single purchase today entitles you to have any of your skincare questions answered separately, with your question featured plus a bonus FREE Beauty & The Brain coloring gift set for our Skincare Bible Podcast Anniversary Special!*

Beauty Bible Guarantee Launch Special 

Complete Skincare Masterclass Video Course & Bonus Lecture Notes

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Includes access to 5 demonstrative video lectures. Concepts in dermatological science, Skin disorders & cosmetic effects, Functional dermatology, Skincare fundamentals, Tips for masking better*

Why this is the best skincare bible for all your skincare questions

Imagine a comprehensive encyclopedia of skincare questions asked by seasoned beauty journalists, actual sufferers of skin conditions and hardcore skin enthusiasts. The skincare bible is a compilation designed to  up your skincare skills and knowledge. Written by accredited dermatologist Dr. Teo Wan Lin also the host of Asia’s premier beauty podcast Dermatologist Talks: Science of Beauty. Her beauty podcast has collaborated with major beauty brands worldwide including the AMORE-Pacific group (LANEIGE), Eucerin, Dior Beauty, Skinceuticals, FOREO and the L’Oréal group. 

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Who was the skincare bible written for? 

Initially written for her patients at TWL Specialist Skin & Laser Centre as a way to encourage and advance skincare knowledge, the skincare bible has grown to become a widely referenced beauty encyclopedia by industry insiders. Skincare pearls from behind the doors of the dermatologist’s office made available in a readily accessible FAQ format. This book is a trusted resource of skincare advice widely quoted by beauty writers.

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What are the skills of a basic to advanced skincare analysis and consultation?

If you are already in the beauty industry, working as an aesthetician or an aesthetic doctor, you will also find this book helpful. The Skincare Bible is the perfect reference book on beauty regimes-backed by the latest science. Offer the best to your clients and patients by upgrading your knowledge. Get educated on cosmetic science principles behind skincare vehicles- the science and art of dermatology. Learn the true differences between a serum, lotion and a cream, why and when these are indicated. Most of all, this skincare bible is designed for you. Become the master of the art of skincare, tailored to you. 

More video content

@booksbydr.twl What is your skin type? Oily, combination or dry? #beautytok #beautytips #skincareroutine #skincare101 #dermatologist #booktok #bookworm #bookclub #learningisfun get this copy @NLB Singapore ♬ She Share Story (for Vlog) – 山口夕依
@booksbydr.twl Skincare layering #beautysecrets #beautytok #learningisfun #skincare #skincareroutine #skincare101 #booktok #beautytips #beautyhacks ♬ She Share Story (for Vlog) – 山口夕依
@booksbydr.twl Dermatologist in Singapore Talks: Bad skincare habits #dermatologist #dermatology #booktok #skincaretips #skincaretiktok #skincare101 #skincarebooks #skincarebook ♬ Pieces (TikTok Classics Version) – Danilo Stankovic & Deutsches Filmorchester Babelsberg
@booksbydr.twl Watch till the end to see what Ash the Jack Russell does to mark his favorite page in the Skincare Bible #dermatologist #dermatologistontiktok #booktok #sensitiveskin #moisturiser_for_dryskin #moisturizer #dryskin #learnontiktok #learningisfun #booktok ♬ Salt (Syn Cole Remix) – Ava Max

Asian Beauty Secrets: Dermatologist Skincare K-Beauty Tips

November 5, 2022
Asian Beauty Secrets Book Cover

Our dermatologist, Dr. Teo Wan Lin’s latest book – Asian Beauty Secrets: Korean Skin Cycling with Plant-based, Natural Ingredients is now published on Amazon Kindle and Barnes & Noble. This is an interview with her on the inspiration behind the book as well as what to expect in this edition. 

@drteowanlin •Dermatologist Tips for Your Dream Skin• Who says you need retinol for pigmentation? Scutellaria Baicalensis is an eastern herb rich in wogonins, nature’s UV protectant that also treats skin pigmentation #dermatologist #dermatologistrecommended ##kbeauty #kbeautyskincare #foryoupage #foryou #fypシ #fyp #dermatology #asianbeautysecrets #skincycling #skincyclingroutine #skincyclingresults #skincare101 #skintok #dermatologydoctor #learnontiktok #learningisfun #retinoltips ♬ Bach unaccompanied cello suite “Prelude” – Jianteng

Why did you decide to write this book?

My patients are familiar with the Skincare Bible: Dermatologist’s Tips on Cosmeceutical Skincare. This was published in 2019 as a complete compilation of FAQ on skincare regimens and common dermatological conditions like acne rosacea and eczema. We have had great feedback with the original skincare bible. Within a dermatologist’s consult, it was not always possible to explain everything in detail because of time constraints. However, the original skincare bible served as a great platform for patients and readers alike to advance their skincare knowledge. Written in an FAQ style, the topics covered are evergreen, timeless essentials like the basics of skincare. 

Dermatologist Asian Beauty Secrets

The Asian Beauty Secrets Book can be considered as a sequel to the Skincare Bible. I have been spending the last 3 years in cosmeceutical research focusing on eastern ethnobotany, a burgeoning field in dermatology and cosmeceuticals. My work as the scientific officer lead in Dr.TWL Dermaceuticals involves selection of high potential cosmeceuticals for product development. Particularly relevant is the  application of botanicals for true dermatological conditions like acne and eczema. This book also examines the potential for retinol alternatives like bakuchiol in anti-aging. 

@drteowanlin Here’s the skincare guide to read before 2023 Why You Will Love This: – Comprehensive Asian skincare bible on regimens & actives – Asian beauty’s gut-skin microbiome approach – Written by board certified dermatologist & expert on beauty formulations – Scientific approach to the ancient art of ethnobotany – Harness plant intelligence to create the ideal skincare regimen – Dictionary of Asian beauty plant actives categorised by plant parts – Discover nature’s own plant-based skin cycling formulas Asian Beauty Secrets: Hello to Plant-Powered Skin Cycling Say bye to DIY Skin-Cycling. Here’s how. With skin cycling all the rage on TikTok, we reveal how hidden intelligence of plant extracts facilitates natural skin cycling. In fact, the better way is to identify whole plant actives, nature’s ready made skincare actives, that work on multiple cellular pathways to mitigate irritation & are universally tolerable. #dermatologist #beautyhack #skincareguide #skincycling #skincareroutine #skincyclingresults #skincyclingnight2 #dermatologistontiktok #tiktokderm #dermdoctor #drtwl #skincaretips #booktok #booktoker ♬ Ballet song like “Waltz of flowers” _3 minutes(965255) – yulu-ism project

Define Asian beauty secrets. What makes Asian beauty unique and also what secrets are there?

Asian beauty secrets is not just a buzzword. From my perspective as a dermatologist, Asian beauty is important as it is relevant for skin of color. Asian skin is dramatically different from Caucasian skin. Pigmented skin types have increased risk of developing post inflammatory hyperpigmentation. This applies to cosmetic treatments like lasers, chemical peels and retinol/retinoid based skincare.

What is fascinating is that ethnobotany, a traditional field where botanicals are studied for their pharmacological effects provides answers in dermatology.

Bakuchiol for instance is used in K-beauty, with Korean dermatology research showing that it has similar effects on skin as retinol does, but without side effects. 

C-beauty is less known but equally relevant and fascinating. What we are learning now in terms of the gut-skin microbiome, is an inherent principle in traditional Chinese medicine. What we eat affects the gut microbiome, which in turn impacts skin.

Dermatologist Asian Beauty Secret #1

The Modern Science of an Ancient Art: Herbology Meets Dermatology 

Asian Beauty Secrets is a compendium of skincare tips and hacks. Beginning with the original Korean medi-facial experience with a facial scrubber, to the merits of gua sha and jade rollers. Get behind the scenes tips of dermatology and aesthetic clinics for at-home medifacials. 

You make a point to include skin cycling in your title “Asian Beauty Secrets: Korean Skin Cycling with Plant-based, Natural Ingredients,” why?

Skin cycling trending on TikTok took many dermatologists by surprise. After all, this has been practised for decades, probably for as long as retinol has been in existence . Retinol causes skin irritation – nothing new. Reduce frequency of application, increase moisturising in between- these are basic intuitive instructions given by all dermatologists. However, what the trend really showed us was an appetite for cute terms, basically, how information is packaged makes all the difference to today’s Gen-Z consumers. Turning it into a force for good, where powerful educational messages can be sent for betterment, in dermatology a field I have expertise in.. I say why not?

Plant Intelligence
Do you know about plant intelligence? Ethnobotany is nature’s very own skin cycling regimen, known as adaptogens. Adaptogens can work  to reduce skin irritation while having anti-ageing and anti-inflammatory effects.
Let Plants Regulate your Skin Cycle
Learn The Science & Art of Korean Skin Cycling with Plant Actives. The basis of the manuscript is a plant dictionary in eastern ethnobotany, from K-beauty and C-beauty, a compilation of research by internationally renowned researcher in the skin microbiome, board certified dermatologist Dr. Teo Wan Lin.

What are 2 key Asian beauty secrets you can share with our readers here?

(Spoiler alert!)

Firstly, Asian beauty, particularly C-beauty emphasises the link between the gut and the skin. 

Want to know the best kept secret of Asian beauty? I begin this book by laying the foundation of the gut-skin connection which is what prompted me to research on the scientific basis of C-beauty herbal tonics. What began as a check on old wives tales I grew up hearing from my grandma on foods good for the skin- turned into a fascinating journey which corroborated many aspects of modern dermatology research emphasising the gut-skin axis.

@drteowanlin Hack (Heck 😜) Skin Cycling with this method •Dermatologist Skincare Secrets• #skincycling #skincyclingroutine #skincyclingresults #skincare101 #skintok #dermatologydoctor #dermatologist #learnontiktok #learningisfun #fyp #foryou #fypシ #skincareroutine #retinolskincare #skincycling #skincyclingroutine #skincyclingresults #asianbeautysecrets #plantbasedtiktok #plantbasedskincare #plantbasedskincareproducts ♬ Ballet song like “Waltz of flowers” _3 minutes(965255) – yulu-ism project

In my previous book – Edible Beauty, I touched on the Gut-Skin connection. The many parallel concepts- from the microbiome to antioxidants suppressing inflammation, inspired the creation of the Beauty Buffet Skincare Regimen. Eating is an intuitive part of life, eating well requires discipline, creativity and knowledge. Similarly, skincare can be as basic as cleansing your face, but this book is all about doing it well. Nutrition benefits our body, and it can also be absorbed through the skin.

Brain Gut Skin Connection

Asian Beauty Secret Book Spills the Beans on the Gut-Skin Connection: The Heart of Asian Beauty in Modern Dermatology

Another discovery in the scientific field is that gut health does impact the brain. It turns out that the gut-skin connection is not the only axis involved in our whole body regulation of skin health. The brain skin connection is one understood by dermatologists who recognised the impact of psychological stress on common dermatological conditions like acne, eczema and rosacea. However, gut health directly impacts psychological wellbeing. For instance nutraceutical dietary interventions improved the overall quality of life for geriatric age groups in recent scientific trials. This prompts us to further investigate the gut-brain-skin axis as one with complex interconnected physiological relationships. 

Asian Beauty Secret #2: K-Beauty Inspired Approach to At-home Medifacial Hack

Smart Skin Regimen Asian Beauty Hacks

We all wonder what makes an effective beauty intervention? In this book,  Dr. Teo spills the beans on K-beauty home facial hacks – the best kept Asian beauty secrets. 

An easy way to tell is checking if the science behind the intervention impacts any of the following pathways (based on the latest understanding of dermatological research). While many aesthetic treatments do have the intended effect on skin, the longevity and sustainability of the approach is questionable. 

Dr.TWL Garden Lessons Microbiome Diversity Improves Immune Function

1. Skin ecology 

How does the intervention change the skin environment? 

2. Does it normalise the skin microbiome or does it work as an antibiotic? 

Microbiome diversity is one of the key markers of a healthy organ. Our body coexists with millions of microbes, maybe more. Each has a key function in regulating the microenvironment. As with our gut, our skin thrives in a diversity of microorganisms. Herein is the fallacy in traditional dermatology practice – we started treating acne with topical antibiotics because they were hailed by drug companies. We quickly found out that they lost effectiveness, because of antibiotic resistance.

Worse still, our infectious disease colleagues realised there were many more who were developing antibiotic resistance from topical antibiotics being applied on skin.  When drug companies updated their topical antibiotics with benzoyl peroxide, they stated that that reduced bacterial resistance. That however, didn’t prove true in the medium term.

3. Is there a more sustainable option?

There must be a better way. This led me to research on one of the oldest practices of pharmacology in the world, ethnobotany. Essentially, I have dedicated my dermatology career to the research and development of plant actives for treatment of various skin conditions. My aim in this book is to bring out the modern science of an ancient art. My hope is that as a dermatologist, my expertise in expounding scientific benefits and debunking skincare myths- without bias will help many who read this book.

@drteowanlin •Dermatologist Tips for Your Dream Skin• Who says you need retinol for pigmentation? Scutellaria Baicalensis is an eastern herb rich in wogonins, nature’s UV protectant that also treats skin pigmentation #dermatologist #dermatologistrecommended ##kbeauty #kbeautyskincare #foryoupage #foryou #fypシ #fyp #dermatology #asianbeautysecrets #skincycling #skincyclingroutine #skincyclingresults #skincare101 #skintok #dermatologydoctor #learnontiktok #learningisfun #retinoltips ♬ Bach unaccompanied cello suite “Prelude” – Jianteng

About Asian Beauty Secrets Book on Skincare Routines, K-beauty, C-beauty Trends & Skin Science 

Get Skincare and Beauty Tips at a Glance 

A comprehensive yet accessible basic to advanced skincare course by a dermatologist. The science of beauty is also in the art of skincare. This book talks routines accompanied by a complete ingredient directory. Published in the month of October, Dr. Teo includes a bonus chapter on the trending skin cycling regimen. Readers will be delighted that there is a way to hack cumbersome skin cycling with plant-based retinol alternatives like bakuchiol, papain and bromelain. Gain insights into rare medicinal herbs used in traditional chinese medicine that have recently been backed up by dermatology research to be effective in dermatological conditions like acne and eczema. 

As a K-beauty expert, Dr. Teo shares how Asian beauty formulations first address the microbiome. The skin microenvironment is an ecological system that needs to be respected. Skincare is an integral part of dermatology practice- and is also readily accessible. Discover a dermatologist’s approach to deciphering what works and what doesn’t. This book equips you with tips on how to build a skincare regimen. 

Kokode Japanese Beauty Feature Dermatologist Dr. Teo Wan Lin

About the Author:

Dr. Teo Wan Lin is the chief scientific officer of Dr.TWL Dermaceuticals, one of the leading dermatologist formulated skincare brands in Asia. The cosmeceutical research focuses on ethnobotany, with an emphasis on Asian beauty trends. The brand has its manufacturing and research headquarters collaboration with a leading biotechnology firm in South Korea, the hub of Asian beauty.

Dr. Teo’s beauty podcast Dermatologist Talks: Science of Beauty is a highly sought-after beauty podcast in Asia, with major brand collaborations since its inception in 2020 including beauty giants like L’Oréal, Eucerin, AMORE Pacific and Skinceuticals. The podcast aims to bring skincare education to the public in an accessible manner. The heart of the podcast centers on the brain-skin connection, an area of Dr. Teo’s research. 

Finally, an Asian beauty secrets book written by a bona fide scientific voice. Accredited Singapore dermatologist Dr. Teo Wan Lin is an author of books on skincare and haircare- the scientific authority in the world of beauty bibles. Follow her on Instagram and TikTok @drteowanlin. 

@dr.twlbeautybibles The Beauty Library. Coming Soon #beautytoks #booktok #beautybook #beautybooks #beautytip #beautytips #drtwl #beautylibrary #beautycommunity ♬ Kings & Queens – Ava Max

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