Skincare
Science

Dr. Sunbin Song

Evidence-based skincare education from our research team, led by Dr. Sunbin Song (ex-NIH researcher, MIT PhD). From quick tips to deep-dives into active ingredients.

Science — 16 articles
The [Deep] Neck Guide: Erasing Lines, Sagging, and "Turkey Neck"

The [Deep] Neck Guide: Erasing Lines, Sagging, and "Turkey Neck"

The neck is one of the first places to show the "tell-tale" signs of aging, yet it's consistently overlooked in daily skincare routines — even though its ski...

13 min read · science
The Science Behind Hair & Scalp Rejuvenation: How to Revive Thinning Hair

The Science Behind Hair & Scalp Rejuvenation: How to Revive Thinning Hair

Thinning hair is a normal part of aging for men and women alike — but understanding exactly why it happens opens the door to targeted, science-backed solutio...

17 min read · haircare · science
Skin Barrier 101

Skin Barrier 101

Your skin barrier is like a protective wall—it keeps moisture in, blocks harmful stuff like UV rays and bacteria, and keeps your skin healthy and glowing. Bu...

7 min read · science
Deep Guide to Hyaluronic Acid

Deep Guide to Hyaluronic Acid

Hyaluronic acid is one of skincare's most celebrated ingredients — and the science behind it is genuinely fascinating. Known as "nature's moisturizer," it at...

12 min read · active ingredients · hyaluronic acid
Shedding Light on Hair Growth: The Science Behind Laser and LED Therapy

Shedding Light on Hair Growth: The Science Behind Laser and LED Therapy

You've probably seen red light hair combs or helmets claiming to help grow your hair. It sounds like a gimmick — but through research, we found that light th...

9 min read · haircare · science
Retinoids Revealed: Understanding the Cellular and Molecular Changes in Your Skin

Retinoids Revealed: Understanding the Cellular and Molecular Changes in Your Skin

Today, we're going to show you pictures and images so that you can see — and not just read about — the fascinating molecular and cellular transformations tha...

8 min read · active ingredients · retinoids
Does hormone replacement therapy work?  Treating post-menopausal skin

Does hormone replacement therapy work? Treating post-menopausal skin

As you go through menopause, you might notice significant changes in your skin — and this isn't just your imagination. Menopause brings about an accelerated ...

12 min read · life stages · menopause
The Power of Retinoids: Understanding Their Role in Skincare and Their Benefits

The Power of Retinoids: Understanding Their Role in Skincare and Their Benefits

Retinoids are part of the Vitamin A family and among the most well-researched ingredients in all of skincare — proven to fight aging, clear acne, and fade hy...

11 min read · active ingredients · retinoids
Do collagen supplements really work? Actually, yes.

Do collagen supplements really work? Actually, yes.

Collagen supplements have a reputation for being wellness-aisle hype — but the clinical evidence tells a more interesting story. Multiple randomized, double-...

9 min read · active ingredients · collagen
Deep Guide to Collagen - ways to preserve and boost collagen in your skin

Deep Guide to Collagen - ways to preserve and boost collagen in your skin

Collagen is the key structural protein in our skin — making up about three quarters of its dry weight — and as we age, both the quantity and quality of colla...

23 min read · active ingredients · collagen
Niacinamide (and Niacin) : Stability and Optimum pH

Niacinamide (and Niacin) : Stability and Optimum pH

Niacinamide is one of the most stable vitamins in skincare — but there's one critical formulation detail that determines whether it stays effective and gentl...

3 min read · active ingredients · niacinamide
Deep Guide to Hyperpigmentation - What causes it and how best to treat it

Deep Guide to Hyperpigmentation - What causes it and how best to treat it

Hyperpigmentation is one of the most common — and most misunderstood — skin concerns, affecting people across every skin tone and background. This deep guide...

28 min read · hyperpigmentation · science