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Two bottles of The Inkey List Starter Retinol Serum on a white background
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Two skincare serums with labels for 'Starter Retinol Serum' and 'Advanced Retinol Serum', and text describing their uses.
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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 (94 Reviews)
$22.40 $28.00 / 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

  • $5.95 or FREE on orders over $35. (2-5 business days*)

Express tracked shipping

  • $15 (2-3 business days*, when ordered before 3pm EST)

*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 94 reviews
Total 5 star reviews: 81 Total 4 star reviews: 11 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. Many report smoother, brighter skin with reduced fine lines and improved texture after consistent use. Users appreciate its non-irritating formula, even those with sensitive or reactive skin. Common feedback includes easy absorption without greasiness, effective layering with moisturizers, and gradual but noticeable results. While some experience initial breakouts or minor dryness, most find it well-tolerated when used 2-3 times weekly. Customers frequently mention it's an excellent starter option that delivers visible improvements without harsh side effects.
94 reviews
  • Kelly
    Reviewing
    Starter Retinol Serum
    I recommend this product
    Rated 4 out of 5 stars
    4 hours ago
    4 Stars

    So far its great. Have not seen improvement yet but only been using a short time.

  • Beth
    Verified Buyer
    Reviewing
    Starter Retinol Serum
    I recommend this product
    Age Range 25 - 34
    Skin Type Sensitive
    Skin Concerns Breakouts, Redness, Texture, Damaged Skin Barrier
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 1 month - 3 months
    Sensitive Skin Suitability Suitable for my sensitive skin
    Rated 5 out of 5 stars
    11 hours ago
    Good results.

    This product gives better results than the brands previous retinol serum and I’ve not experienced any irritation after using for a few months. My skin texture looks smoother and I’m experiencing fewer breakouts.

  • Oduffa E.
    Verified Buyer
    Reviewing
    Starter Retinol Serum
    I recommend this product
    Age Range 35 - 44
    Skin Type Dry
    Skin Concerns Under Eye Circles, Puffiness, Fine Lines and Wrinkles
    Have you purchased an INKEY List product before? Yes
    How long have you used this product for? 1-3 weeks
    Sensitive Skin Suitability Suitable for my sensitive skin
    Rated 5 out of 5 stars
    3 weeks ago
    Miss O

    I have just started using the product not to long now. And I see the difference already. It is a very good product, I will buy it again.