Cosmedix Duo A Nightly 1% Retinoid Treatment bottle and box
DUO-A Nightly 1% Retinoid bottle with cream smeared over the pump against a light background
Before and after close-ups of temple skin showing improvement after four weeks using DUO-A
Cream swatch from DUO-A Nightly Retinoid Treatment spread across a pale surface
DUO-A 1% Nightly Retinoid Treatment tube diagonally placed on a white plate with a creamy dollop
DUO-A 1% Nightly Retinoid Treatment bottle angled on a dark surface
Cosmedix Duo A Nightly 1% Retinoid Treatment bottle and box
DUO-A Nightly 1% Retinoid bottle with cream smeared over the pump against a light background
Before and after close-ups of temple skin showing improvement after four weeks using DUO-A
Cream swatch from DUO-A Nightly Retinoid Treatment spread across a pale surface
DUO-A 1% Nightly Retinoid Treatment tube diagonally placed on a white plate with a creamy dollop
DUO-A 1% Nightly Retinoid Treatment bottle angled on a dark surface

DUO-A 1% Nightly Retinoid Treatment

$120.00

Elevate your nightly routine with DUO-A, a 1% dual-retinoid treatment combining Retinol and Retinal for comprehensive skin renewal with barrier support. Experience the evolution of Retinoid Science. 

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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.

PM Use
All skin types
Serum
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Dual Action Formula

Harnesses both fast-acting Retinal and sustained-release Retinol for comprehensive skin renewal

Visible Results

Reduces the appearance of fine lines, wrinkles, and uneven skin tone

Barrier Support

Improves firmness while supporting the skin’s natural barrier

Professional-Grade

Nourishes and hydrates without compromising barrier function

PRE-TREATMENT

Preps skin for advanced treatments or works as a standalone age-defying solution

Benefits & Usage

ALOE VERA

ALOE VERA

Nature's renowned skin soother helps maintain comfort and balance while reducing visible redness and supporting overall skin health.

Cream swatch from DUO-A Nightly Retinoid Treatment spread across a pale surface

Texture

Lightweight with a silky, fast-absorbing texture that glides smoothly onto the skin, leaving it feeling soft and refreshed without any greasy residue.

How to Apply

How to Apply

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.

Build your DUO-A Routine

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