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Two bottles of The Inkey List Starter Retinol Serum on a white background
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Before and after comparison of a man's skin with a visible improvement after 4 weeks.
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Starter Retinol Serum Duo

Clinically proven to smooth fine lines in just 7 days*. 2x more effective than standard retinol without irritation**

4.8
Rated 4.8 out of 5 stars
4.8 Stars (87 Reviews)
$34.20 $36.00 / 30ml Duo

What you get : A gentle yet effective beginner Retinol serum, clinically proven to visibly smooth fine lines in just 7 days -without irritation*. It helps even skin tone and refine texture while being perfectly suited for first-time Retinol users, sensitive skin, and rosacea-prone skin.

Why it works: Powered by a slow-release Dual-Retinoid complex to gently boost cell turnover. Our encapsulated retinol is proven to be 2x more effective than standard retinol**. Balanced with barrier-boosting ingredients, like 0.2% SymRelief®* 100, soothe skin - so you get results without redness.

How it feels: Silky, lightweight and hydrating. Skin feels comforted, zero irritation.

When to use: PM only, 2-3 nights a week to start. Increase frequency as your skin builds tolerance. Always follow with moisturizer and use SPF the next morning.


* 4-week Clinical study on 30 participants 

** Based on a 4-week In Vitro study  

*registered trademark of Symrise AG

Suitable for:

  • Retinol beginners
  • All skin types
  • Sensitive skin
  • Rosacea-prone skin

Targets:

  • Fine Lines
  • Uneven Skin Tone
  • Uneven Skin Texture

Awards & Features

Retinol for Beginners

New to retinol? You're making a smart choice. Retinoids are the #1 dermatologist-recommended ingredient for anti-aging - clinically proven to improve fine lines, uneven skin tone, and texture. This Starter Retinol is formulated specifically for beginners and sensitive skin types.

  • How it’s different: Our breakthrough encapsulated Dual-Retinoid Complex delivers controlled-release technology for maximum effectiveness with minimum irritation. Clinical studies show it's 2x more effective than standard retinol**

  • Active ingredients that work: 1% Granactive Pro+: Next-generation retinoid with encapsulation to smooth fine lines and improve texture while staying gentle. 0.01% Retinal: Potent retinoid for enhanced efficacy and accelerated skin renewal without typical irritation.

  • Your results timeline: Smoother, more even, refined skin texture - with visible improvements starting in just 7 days*

Shipping info

Standard tracked shipping

  • $6.99 or FREE on orders over $50. (2-8 business days)

No import duties or fees - Your order will ship domestically from our Canadian warehouse so you can shop with confidence knowing your order will arrive quickly without extra costs

*Find out more about shipping here.

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  • Before and after showing results of Starter Retinol Serum Duo
  • Before and after showing results of Starter Retinol Serum Duo
  • Before and after showing results of Starter Retinol Serum Duo
  • Before and after showing results of Starter Retinol Serum Duo
  • Before and after showing results of Starter Retinol Serum Duo
  • Before and after showing results of Starter Retinol Serum Duo
  • Before and after showing results of Starter Retinol Serum Duo
4.8
Rated 4.8 out of 5 stars
Based on 87 reviews
Total 5 star reviews: 75 Total 4 star reviews: 10 Total 3 star reviews: 1 Total 2 star reviews: 1 Total 1 star reviews: 0
Reviews Summary
Customers say this retinol serum is gentle and lightweight, making it ideal for beginners. Users report smoother, brighter skin with improved texture and reduced fine lines after consistent use. Many appreciate that it doesn't cause irritation, burning, or excessive dryness, even on sensitive skin. The serum absorbs quickly without leaving residue and layers well with moisturizers. Most find it effective when used 2-3 times weekly initially. Some note visible improvements in pores, hyperpigmentation, and overall skin radiance within weeks. A few users experienced minor breakouts or found results slower than expected.
87 reviews
  • Amelie Z.
    Verified Buyer
    Reviewing
    Starter Retinol Serum
    I recommend this product
    Skin Type Oily
    Skin Concerns Breakouts
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 1-3 weeks
    Sensitive Skin Friendly? No
    Rated 5 out of 5 stars
    1 week ago
    Very gentle and effective serum for retinol

    Works very good for me, seems to be strong. I even considered to not level up after this one because I like the results.

  • Susan P.
    Verified Buyer
    Reviewing
    Starter Retinol Serum
    I recommend this product
    Age Range 65+
    Skin Type Combination
    Skin Concerns Redness, Fine Lines and Wrinkles, Puffiness, Texture, Blackheads
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 1 month - 3 months
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    1 week ago
    Perfect starting strength

    This is just the thing to get started on a retinal regimen, which really makes a difference in your skin

  • Erin L.
    Verified Buyer
    Reviewing
    Starter Retinol Serum
    I recommend this product
    Age Range 45 - 54
    Skin Type Normal
    Skin Concerns Fine Lines and Wrinkles, Hyperpigmentation
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 1-3 weeks
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    2 weeks ago
    Perfect percent

    Great retinol for those who are sensitive to too much cellular turnover. I can safely use this product 3 evenings per week.