Skin science, explained by a stem cell doctor

Skincare Guides

Evidence-based guides on stem cell skincare, ingredients and healthy aging from Dr. Joy Kong, MD, a triple board-certified physician with over a decade in regenerative medicine. No hype, no miracle claims: just clear answers to help you make better choices for your skin.

Skincare Guides

Woman in her 40s smiling naturally, needle-free alternatives to Botox

Botox Alternatives: Needle-Free Options for Expression Lines

Read more
Woman sleeping peacefully on white sheets in morning light

Is Beauty Sleep Real? What Happens to Your Skin Overnight

Read more
Woman applying a gentle retinol alternative cream around her eyes

The Best Retinol Alternatives for Fine Lines (Without the Irritation)

Read more
Crepey Skin: Causes, Prevention and How to Make It Look Smoother

Crepey Skin: Causes, Prevention and How to Make It Look Smoother

Read more
Peptides in Skincare: What They Do for Your Skin and Which Ones to Look For

Peptides in Skincare: What They Do for Your Skin and Which Ones to Look For

Read more
The Best Skincare Routine for Aging Skin (in 3 Steps or Fewer)

The Best Skincare Routine for Aging Skin (in 3 Steps or Fewer)

Read more
Non-Invasive Wrinkle Treatments: What Works, What It Costs and What You Can Do at Home

Non-Invasive Wrinkle Treatments: What Works, What It Costs and What You Can Do at Home

Read more
How to Reduce Fine Lines Without Injections: What Actually Works

How to Reduce Fine Lines Without Injections: What Actually Works

Read more
Glass of water with collagen powder dissolving and a measuring scoop on a light background

Do Collagen Supplements Work for Your Skin? What the Studies Say

Read more