+ earn in Skin Type Cash
Serum 16 Rapid Renewal Serum
Is this right for my skin?
Not sure if this product is right for your Baumann Skin Type®? Take the quiz to find out and get up to 20% off your custom routine.
Take the quiz Finish the quizNot rated by skin type
We don’t rate this kind of product against the 16 Baumann Skin Types, so there is nothing here for or against your four letters.
Reveal a smoother, more radiant complexion with Cosmedix Serum 16 Rapid Renewal Serum, an advanced retinol treatment formulated to improve the appearance of fine lines, wrinkles, uneven skin tone, and rough texture.
Authorized retailer
We hold a direct account with Cosmedix. Every unit is authentic, in date, and stored properly.
Free shipping over $49 · easy returns
Ships in 1 to 2 business days. 30 days to return anything unopened.
Earn Skin Type Cash
Spend it on any future order. Up to 25% back on bestsellers.
What it is and what it does
Reveal a smoother, more radiant complexion with Cosmedix Serum 16 Rapid Renewal Serum, an advanced retinol treatment formulated to improve the appearance of fine lines, wrinkles, uneven skin tone, and rough texture. Featuring an innovative LG-Retinex™ delivery system, this lightweight serum helps maximize the benefits of retinol while minimizing the irritation often associated with traditional retinoids.
Ideal for those looking to address visible signs of aging, Serum 16 supports skin renewal, promotes a firmer-looking complexion, and helps improve overall skin clarity and texture. With continued use, skin appears smoother, brighter, and more youthful-looking.
Key Benefits
-
Helps reduce the appearance of fine lines and wrinkles
-
Promotes smoother, firmer, and more even-looking skin
-
Encourages healthy skin renewal and cell turnover
-
Improves skin texture and overall radiance
-
Helps minimize the appearance of uneven skin tone
-
Advanced retinol delivery helps reduce the potential for irritation
-
Lightweight formula absorbs quickly without feeling greasy
Key Ingredients
-
Retinol (Vitamin A): Helps accelerate skin renewal to improve the appearance of fine lines, wrinkles, and uneven texture.
-
LG-Retinex™: An advanced delivery system that helps optimize retinol performance while enhancing skin comfort.
-
Antioxidants: Help protect against environmental stressors that contribute to premature skin aging.
How to Use
Apply a small amount to clean, dry skin in the evening after cleansing. Begin by using 2–3 nights per week and gradually increase frequency as tolerated. Follow with a moisturizer if needed, and wear a broad-spectrum sunscreen daily while using retinol.
Perfect for retinol users seeking visible anti-aging results with enhanced skin comfort, Cosmedix Serum 16 Rapid Renewal Serum helps reveal smoother, brighter, healthier-looking skin with continued use.
Key ingredients

Glycerin (Glycerol) is the best natural moisturizing ingredient to hydrate skin quickly. May give products a sticky feel.

The best to renew skin. A retinoid Vitamin A cream. Start with low strength.

Helianthus Annuus (sunflower) Sprout Extract
Helianthus Annuus (Sunflower) Sprout Extract boosts cellular energy with ATP, defends against oxidative stress, and reduces glycation damage. Rich in antioxidants and omega-3s, it enhances firmness, smooths texture, and strengthens the skin barrier for visibly healthier, more resilient skin.
Full ingredient list
Product type and skin type data
| Brand | Cosmedix |
|---|---|
| Product type | Treatments & Serums |
| Item number | COS-931310010 |
Read more from Dr. Baumann
Skincare LibraryBy Dr. Leslie Baumann · 12 min read
Frequently bought together
Dr. Baumann pairs these together.
Reviews
Not sure it suits your skin? Take the quiz to find your Baumann Skin Type. Find my skin type






