Teo Wan Lin

Teo Wan Lin Teo Wan Lin (Zhang Wanlin; Chinese: 张婉琳)
Dermatologist at TWL Specialist Skin & Laser Centre
https://www.twlskin.com
https://instagram.com/drteowanlin

Ginseng acts similarly to engineered peptides when it comes to collagen function, activating the Smad signaling pathway....
22/11/2025

Ginseng acts similarly to engineered peptides when it comes to collagen function, activating the Smad signaling pathway.

This directly triggers the COL1A2 promoter—the gene responsible for synthesizing fresh Type I Procollagen.

Panax Ginseng is an ethnobotanical with traditional uses, but modern science has also unveiled its dual-action modulation on the fibroblast. It upregulates the COL1A2 gene via the Smad signaling pathway, mimicking collagen and cell repair signals.

It also significantly inhibits MMP-1, the primary enzyme responsible for breaking down Type I collagen fibers.

In our CellTalk CC Cream , I paired the botanical extract with synthetic actives such as
Palmitoyl Pentapeptide-4 and adenosine.

By combining MMP Inhibition (Ginseng) with Direct Peptide Signaling (Palmitoyl Pentapeptide-4 + Adenosine), the formula achieves a synergistic effect that single-active products often miss.
Save this for your formulation notes. 🔖

For centuries, texts revered Panax Ginseng, also known as the ‘Emperor’s Root.’ as the ultimate source of 气 (qì), or “vi...
16/11/2025

For centuries, texts revered Panax Ginseng, also known as the ‘Emperor’s Root.’ as the ultimate source of 气 (qì), or “vital energy.”

As a dermatologist, I interpret these ancient texts as a fascinating observation of a powerful adaptogen at work.

Modern studies have elucidated the active compounds Ginsenosides and Gintonin which have been shown to preserve collagen loss, fortify the skin barrier, and accelerate cellular repair.

Save this post if you, too, believe in cultivating resilience, not just concealing flaws.

15/11/2025

The #1 struggle in humid climates? Then feeling dry and dehydrated in AC? 🥵 Wanting that glass-skin glow... but ending up a greasy, makeup-sliding mess by 10 AM is a common woe in tropical Singapore weather!

Meet the Radiance Fluide™ Hydrating Emulsion, which is formulated precisely to balance the skin microclimate with ethnobotanicals and peptides- clinically tested and validated over seven years in my Singapore dermatology practice. It’s a lightweight postbiotic barrier lotion designed for humidity that protects the delicate skin microenvironment and microbiome.

It’s also formulated as a 3-in-1 solution to simplify your routine:
1. A Hydrating Toner
2. A Satin-Feel Makeup Base (no pilling!)
3. A Restorative Sleeping Mask
This milky, breathable lotion gives instant hydration without the sticky, heavy feel.

Why it works:
• ✨ Brightens: Niacinamide (Vitamin B3) refines the look of pores and evens skin tone.
• 🧬 Repairs: A Postbiotic Ferment Complex supports a healthy, calm skin barrier.
• 🌱 Soothes: A Neuro-Comfort Botanical Complex brings relief to sensitive skin.
Stop the grease. Keep the glow.





11/11/2025

Foundation making your skin worse? 🫢
Meet the CellTalk CC Cream.

As a dermatologist I started my quest for the perfect foundation formula for my troubled skin patients and those post laser and chemical peel who needed coverage for their reactive skin.

So I created a 4-in-1 hybrid that acts like SKINCARE but covers like MAKEUP. That was the start of the process about a decade ago at my practice, it’s been tested and evaluated and perfected.. now available for you!

✨ Your Serum, Color Corrector, Concealer & Foundation in ONE.
🌿 Calms redness with Mugwort + Ginseng.
💧 Hydrates with Jojoba & firms with Peptides.
☁️ Full coverage, ZERO weight, adapts to your skin tone.
Stop caking it on. Start treating your skin.
👆Skincare makeup kit + get your FREE gifts! 🎁

10/11/2025

Class is in session! 🔔 🐾 The biggest mistake I see during 11.11? Buying too many random skincare actives because they’re on sale. 😱

Your skin doesn’t want chaos; it wants consistency. Mixing too many harsh acids from different brands is a fast track to a damaged skin barrier. 🛑

💡 Derm Lesson for 11.11: Smart shoppers don’t just buy “products”—they buy Protocols.

A Protocol is a system where every ingredient (like our Phyto-Soothe™ and 5α-Control complexes) is formulated to work synergistically—giving you maximum results with zero confusion.

Ready to get an A+ in skincare shopping? I’ve curated my top science-backed Protocols for every skin concern in our biggest sale of the year.

SHOP THE 11.11 PROTOCOLS 👆
(Don’t let your skin get as confused as Ash! 🐶)

07/11/2025

Did you know Vitamin C can clear ACNE? 🤯
Standard L-ascorbic acid might break you out, but 5% Sodium Ascorbyl Phosphate (SAP) is clinically proven to inhibit acne bacteria while brightening your skin. It’s the ultimate dermatologist hack for acne-prone skin.
👇 Comment ACNE below and I’ll DM you the link to this 2-in-1 formula.

31/10/2025

Do. Not. Pick.

As a dermatologist, I don’t just see the blemish—I see the inflammation, Post-Inflammatory Hyperpigmentation (PIH) and scarring that follows.

I was frustrated by harsh, drying treatments that only made things worse—-antibiotic resistance too!

That’s why we embarked on a journey to create a microbiome-first dermocosmetic solution that interrupts the blemish cycle. Used for spot treatment and acne-prone area control. It’s now completed its 7th year of clinical evaluation, and we’re ready to deliver it to you!

The Blemish Spot Cream uses three synergistic bio-complexes to:
1. CONTROL the vicious cycle of oiliness.
2. CALM visible redness and inflammation instantly.
3. RENEW the skin’s barrier and microbiome to heal.

It’s powered by 18 ethnobotanical extracts and 4 bioferments to heal the spot and, most importantly, help prevent the scar, it targets the clogging and congestion as well, in addition to targeting blackheads and sebaceous filaments.

This is my lab protocol, now in your hands. Get my solution👆

28/10/2025

Here’s my simple analogy for explaining eczema: Think of your skin as a brick wall. 🧱

The bricks are your skin cells (corneocytes), and the ‘mortar’ holding them together is a crucial mixture of essential lipids.

In eczema or atopic dermatitis, this mortar is deficient. This creates a ‘leaky’ barrier that allows irritants and allergens in while letting precious water out. This is the root cause of the inflammation, dryness, and persistent itch you experience.

As a dermatologist, I know that to effectively treat eczema, we must rebuild that mortar.

That’s why I formulated the Multi-CERAM Moisturiser. It’s designed to do exactly that.

✨ Multi-Ceramide Complex: This replenishes the missing lipids to repair and restore a healthy skin barrier.

✨ Phytosphingosine: This is a fascinating molecule naturally found in our skin. Studies show it has powerful anti-inflammatory and anti-microbial properties, helping to calm inflammation and prevent the secondary infections that are so common in eczema.

We are literally giving your skin the essential building blocks it needs to repair itself.
👆to discover this science-backed solution for eczema relief.






Why is K-Beauty so effective at achieving that radiant, dewy glass skin” look? It comes down to one core principle: barr...
27/10/2025

Why is K-Beauty so effective at achieving that radiant, dewy glass skin” look? It comes down to one core principle: barrier repair.

Froma dermatologist’s perspective, this is the foundation of all skin health. Your skin barrier is your primary defense. When it’s compromised, it can’t retain moisture or protect you from irritants, leading to sensitivity, dryness, redness, and even breakouts.

THIS WEEK’S PODCAST NOTES:

K-Beauty’s skin-first philosophy is built on nourishing and fortifying this barrier. Swipe through for a dermatologist’s guide to the most powerful K-Beauty actives that actually work. ➡️

In this post, we cover:
What your skin barrier is (and the ‘brick and mortar’ analogy I use with my patients).
Ceramides: The ‘mortar’ itself, making up over 50% of your barrier’s lipids.
Hyaluronic Acid: The ultimate hydration magnet that creates a healthy environment for repair.
Snail Mucin: A K-Beauty icon packed with healing glycoproteins and peptides.
Centella Asiatica (Cica): The gold-standard botanical for calming inflammation and accelerating healing.
Pro/Prebiotics: How balancing your skin’s microbiome is essential for a resilient barrier.
Save this post as your guide to building a resilient, healthy-looking complexion.

Which of these K-Beauty actives is a non-negotiable in your routine? Share in the comments below. 👇

25/10/2025

Is your 10-step K-Beauty routine actually irritating your skin? 🛑

As a board-certified dermatologist, I see patients who have 10-stepped their skin into a state of profound irritation.

The true secret to that K-Beauty glow isn’t 10 steps. It’s Mastery of the Skin Barrier.

Forget the complicated routine. All you need to remember is this 3-Part K-Beauty Code for true skin barrier repair:

1. CALM inflammation (Think: Cica)
2. REBUILD the wall (Think: Ceramides)
3. SATURATE with hydration (Think: Hyaluronic Acid)

This is the intelligent approach to skincare.

SAVE this post to remember the 3-Part Code, and SHARE it with a friend who is obsessed with K-Beauty!
Are you ready to simplify your routine? Let me know. 👇

23/10/2025

THE SIGNAL: A New Era of Dermatologist Talks

Asian beauty doesn’t revolve around the number of steps—it’s a philosophy.

Let me decode that for you.

I’ve been on every side of the beauty game. I have studied the science and I’ve lived it. From being the face of Maybelline’s first-ever ‘Made for Asian Skin’ campaign to becoming the authority in skin science.

I’ve seen the trends, the hype, and the truth. Now, I’m cutting through the noise to bring you the definitive signal.

A new era begins. Episode 1 drops TOMORROW.☝️

It’s time to recenter the conversation.The world is obsessed with Asian beauty, but the real philosophy is being lost in...
21/10/2025

It’s time to recenter the conversation.

The world is obsessed with Asian beauty, but the real philosophy is being lost in translation.

Feeling confused in the world of Asian beauty science?

Tune in to Dermatologist Talks: Science of Beauty for the definitive signal for truth. Launching this week with a brand new look!

What is the #1 thing you want to know about Asian beauty? Let me know in the comments.

Address

101 Irrawaddy Road Suite 17-07
Singapore
329565

Opening Hours

Monday 09:00 - 13:00
14:00 - 17:30
Tuesday 09:00 - 13:00
14:00 - 17:30
Wednesday 11:00 - 13:00
14:00 - 19:30
Thursday 11:00 - 13:00
14:00 - 17:30
Saturday 09:00 - 13:00
14:00 - 17:30

Telephone

+6563550522

Website

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