Dot & Key Serums: A Complete Guide to the Brand's Treatment Serums
A category guide to Dot & Key's face serum range, covering the Vitamin C + E and Strawberry Niacinamide formulas, with links to full individual reviews.

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Key Takeaways
- Dot & Key's serum range covers vitamin C, niacinamide, retinol, salicylic acid, glycolic acid, and hydrating hyaluronic/ceramide formulas.
- The 10% Vitamin C + E Serum is marketed as beginner-friendly, using a stable Ethyl Ascorbic Acid derivative rather than pure L-ascorbic acid.
- The Strawberry Bright 10% Niacinamide Serum leads with a higher-strength niacinamide for texture, pores, and brightening.
- Serums targeting different concerns (acne, aging, hydration) are also available; check the individual product pages for the full range.
Serums are where Dot & Key concentrates most of its active-ingredient formulations, and the range covers a genuinely wide spread of concerns — brightening, texture, acne, aging, and hydration — rather than repeating the same vitamin C or niacinamide theme across every product.
Serums Covered So Far
In-depth, ingredient-level reviews are currently published for the brand's two flagship brightening serums, with more planned:
SkincareDot & Key 10% Vitamin C + E Face Serum with 5% Niacinamide: Ingredients, Benefits & How to Use
A research-based review of Dot & Key's beginner-friendly 10% Vitamin C + E Face Serum with 5% Niacinamide — its Ethyl Ascorbic Acid formula, full ingredient list, and how it compares with the brand's Strawberry Niacinamide Serum.
SkincareDot & Key Strawberry Bright 10% Niacinamide Face Serum: Ingredients, Benefits & How to Use
A research-based review of Dot & Key's Strawberry Bright 10% Niacinamide Face Serum — its Vitamin B12 and strawberry extract formula, full ingredient list, and how it compares with the brand's Vitamin C + E Serum.
The Rest of the Range
Dot & Key also sells a 12% Barrier Boost Serum (hyaluronic + ceramides), a Cica + 10% Niacinamide Serum for oily/acne-prone skin, a Cica + 2% Salicylic Acid Serum for acne, a Hyaluronic & Ceramides Hydrating Serum, a Pomegranate Youth 0.2% Retinol Complex Serum, and a Watermelon & 10% Glycolic Serum. Dedicated reviews for these are in progress; check back for updates.
How to Choose Between Them
| If your main concern is... | Consider |
|---|---|
| Dullness, dark spots, and you're new to vitamin C | 10% Vitamin C + E Serum with 5% Niacinamide |
| Texture, pores, and general brightening | Strawberry Bright 10% Niacinamide Serum |
| Oily, acne-prone, sensitive skin | Cica + 10% Niacinamide Serum or Cica + 2% Salicylic Acid Serum |
| Early signs of aging | Pomegranate Youth 0.2% Retinol Complex Serum |
Frequently Asked Questions
Frequently Asked Questions
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A research-based review of Dot & Key's beginner-friendly 10% Vitamin C + E Face Serum with 5% Niacinamide — its Ethyl Ascorbic Acid formula, full ingredient list, and how it compares with the brand's Strawberry Niacinamide Serum.
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A research-based review of Dot & Key's Strawberry Bright 10% Niacinamide Face Serum — its Vitamin B12 and strawberry extract formula, full ingredient list, and how it compares with the brand's Vitamin C + E Serum.
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