Account
Guest
CosMedix Duo-a 1% Nightly Retinoid Treatment on white background

CosMedix 

Duo-a 1% Nightly Retinoid Treatment
30 ml / 1.01 fl oz 

CosMedix Duo-a 1% Nightly Retinoid Treatment on white background

CosMedix 

Duo-a 1% Nightly Retinoid Treatment
30 ml / 1.01 fl oz 

LOVED
ADD TO LOVES

This powerful nightly treatment is expertly formulated for seasoned Vitamin A users. Featuring a potent blend of 0.1% Retinal and 0.9% sustained-release Retinol, this advanced formula uses dual-retinoid technology to deliver both immediate and long-term improvements in skin texture, tone, and firmness.

SKU:
CM931300010
$120.00
Quantity
-
+

Description

This powerful nightly treatment is expertly formulated for seasoned Vitamin A users. Featuring a potent blend of 0.1% Retinal and 0.9% sustained-release Retinol, this advanced formula uses dual-retinoid technology to deliver both immediate and long-term improvements in skin texture, tone, and firmness.

Details

Dual-Action Retinoid Power for Visible Age-Defying Results. This advanced treatment helps soften the appearance of fine lines and wrinkles while enhancing skin radiance and tone. Infused with soothing botanicals such as Beta Glucan, Aloe Vera, and Vitamin E, it delivers essential hydration and supports the skin’s barrier function. Ideal for preparing the skin for advanced in-clinic procedures or enhancing a home anti-aging routine.

Benefits

  • Combines fast-acting Retinal and sustained-release Retinol
  • Helps reduce visible signs of ageing: fine lines, wrinkles, and uneven tone
  • Supports firmer, smoother skin texture over time
  • Strengthens skin barrier function
  • Hydrates and soothes with calming botanical ingredients
  • Prepares skin for advanced peels or clinical treatments

Instructions

Apply a pea-sized amount to clean, dry skin at night, avoiding the eye area. Begin using 1-3 times per week, gradually increasing frequency as your skin adjusts. Always follow with moisturizer and use sunscreen during daytime hours.

Ingredients

Key Ingredients :

Retinol Supports natural skin renewal, improving texture and firmness

Retinal (Retinaldehyde) Refines tone and elasticity with stable, targeted delivery

Beta Glucan Soothes and protects while reinforcing the moisture barrier

Aloe Vera Hydrates and calms irritated skin

Vitamin E Antioxidant support for skin healing and protection

Full Ingredients :

Aqua/Water/Eau, Glycerin, Simmondsia Chinensis (Jojoba) Seed Oil, Beta Glucan, Stearyl Alcohol, Cetyl Alcohol, Tocopheryl Acetate
(Vitamin E), Dipentaerythrityl Hexa C5-9 Acid Esters, Theobroma Cacao (Cocoa) Seed Butter, Butyrospermum Parkii (Shea) Butter,
Panthenol, Bisabolol (L), Potassium Cetyl Phosphate, Retinol, Retinal, Aloe Barbadensis Leaf Extract, Caesalpinia Spinosa Gum,
Allantoin, Tocopherol, Cellulose, Dipotassium Glycyrrhizate, Polysorbate-20, Phenoxyethanol, Ethylhexylglycerin

*Product ingredients may change by manufacturer without notice and maybe different than what is shown on this page. We are not responsible for any future changes and do not guarantee the ingredients to be exactly the same as the product label.

Related Content

Small Beauty Advisor Logo
This Product is Good for
Mature Skin
Fine Lines & Wrinkled Skin
Find Similar Products:
Face Serum & Treatment
Can Be Applied To:
Face
Neck
RATINGS & REVIEWS
WRITE A REVIEW

New Subscribers get 10% Off

SUBSCRIBE
*Offer only for new subscribers and select brands only.
No spam. Unsubscribe at any time.
eSkinStore

by Eternal Skin Care

1700 7th Avenue, Unit 2100
Seattle, WA 98101
United States
Copyrights 1999-2025

Now Shopping

US Flag
Canadian Flag

Payment Methods

payment methods

Credentials

This site is protected by VikingCloud's Trusted Commerce program Click for the BBB Business Review of this Day Spas in North Vancouver BC
Eternal Logo

Eternal Skin Care ®
1700 7th Avenue, Unit 2100
Seattle, WA 98101
United States
Copyrights 1999-2025

Welcome Back

Account Home
Previous Orders
Order Status
My Loves
Sign Out

Don't Have An Account?

Start Here if you are new to our website.

CONTINUE
FORGOT PASSWORD
Don't remember your password, please enter your email and we'll send you a link to reset your password.
small logo
SAVE 10%
on your first order*
Subscribe and receive promotional offers and stay up to date with new trends in beauty and well being.
SIGN UP
*Offer only for new subscribers, excludes certain brands.
One-time promo code will be sent via email.
By entering your email, you agree to receive newsletters from eSkinStore.

1.866.336.7546


NEED HELP
Loading

1.866.336.7546


Feedback
Contact us
Live chat
Added To Cart
COOKIES!
We use cookies to improve your browsing experience and help us improve eSkinStore.com. By using our site, you agree to use of cookies as described in our cookie policy