---
product_id: 721863702
title: "Blueberry Hydrate 12% Barrier Boost Serum with 7 Ceramides Niacinamide Hyaluronic Acid, Reduces Dark Spots, Brightens Skin, Provides Intense Hydration Repairs Skin 30ml"
brand: "dot & key"
price: "€ 21.39"
currency: EUR
in_stock: true
reviews_count: 5
category: "Dot & Key"
url: https://www.desertcart.fi/products/721863702-blueberry-hydrate-12-barrier-boost-serum-with-7-ceramides-niacinamide
store_origin: FI
region: Finland
---

# Brightens & evens skin tone Hydrates 10 layers deep 12% Barrier Boost Complex Blueberry Hydrate 12% Barrier Boost Serum with 7 Ceramides Niacinamide Hyaluronic Acid, Reduces Dark Spots, Brightens Skin, Provides Intense Hydration Repairs Skin 30ml

**Brand:** dot & key
**Price:** € 21.39
**Availability:** ✅ In Stock

## Summary

> 💙 Unlock your skin’s ultimate hydration & glow with every drop!

## Quick Answers

- **What is this?** Blueberry Hydrate 12% Barrier Boost Serum with 7 Ceramides Niacinamide Hyaluronic Acid, Reduces Dark Spots, Brightens Skin, Provides Intense Hydration Repairs Skin 30ml by dot & key
- **How much does it cost?** € 21.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/721863702-blueberry-hydrate-12-barrier-boost-serum-with-7-ceramides-niacinamide)

## Best For

- dot & key enthusiasts

## Why This Product

- Trusted dot & key brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Deep Hydration Powerhouse:** Locks moisture deep within skin layers for all-day plumpness
- • **Elasticity & Glow Enhancer:** Hyaluronic acid and 7 ceramides boost firmness and radiant skin texture
- • **Barrier Boosting Technology:** 12% Barrier Boost Complex shields and repairs your skin’s natural defense
- • **Lightweight & Fast Absorbing:** Milky-gel texture that feels weightless yet intensely nourishing
- • **Reduces Redness & Dark Spots:** Niacinamide and ceramides visibly even skin tone and calm irritation

## Overview

Dot & Key Blueberry Hydrate 12% Barrier Boost Serum is a cutting-edge skincare solution featuring a potent 12% Barrier Boost Complex with 20 active ingredients including 7 ceramides, niacinamide, and hyaluronic acid. Designed to penetrate 10 layers deep, it intensely hydrates, repairs the skin barrier, reduces dark spots and redness, and enhances elasticity for a visibly plumper, brighter complexion. Lightweight and fast-absorbing, this 30ml serum is perfect for millennials seeking resilient, glowing skin with a science-backed formula.

## Description

Formulated with 12% Barrier Boosts Complex, a technology driven by 20 potent ingredients that work together to form an invisible protective layer at the surface level of the skin to repair & protect skin barrier while also making it resilient against external aggressors. It also locks in moisture at deeper layers of the skin to boost hydration (immediate & long-term) & further prevent water loss, thus restoring healthy skin texture & elasticity with a visible plumping effect.

Review: I am really happy for the purchase. Thanks to desertcart I can order my stuff and get delivery on time and fast 👍👍👍
Review: I have been using dot and key products for pretty long this blueberry hydrate face serum is really effective my skin started glowing and doesn't give itching. I have been applying is continuously it really work best for my skin. It provides an instant hydration boost, leaving skin softer and smoother. It helps even out dull skin and reduces redness. Perfect for dry or uneven skin and its free from harmful chemicals.

## Features

- Penetrates & hydrates skin 10 layers deep
- Checks transepidermal water loss (TEWL)
- Lightweight milky-gel fluid texture
- Reduces redness & irritation
- Boosts elasticity & plums skin
- Evens skin tone & texture

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DJNRYF3P |
| ASIN  | B0DJNRYF3P |
| Best Sellers Rank | #10,331 in Beauty ( See Top 100 in Beauty ) #212 in Facial Moisturizers |
| Customer reviews | 4.2 4.2 out of 5 stars (397) |
| Date First Available  | 13 February 2025 |
| Manufacturer reference | HIM/COS/14/196 |
| Manufacturer reference  | HIM/COS/14/196 |
| Product Dimensions | 4.5 x 4.5 x 10 cm; 30 g |
| Product Dimensions  | 4.5 x 4.5 x 10 cm; 30 g |

## Product Details

- **Brand:** Dot & Key
- **Item form:** Gel
- **Product benefits:** Repairing
- **Special ingredients:** hyaluronic_acid
- **Use for:** Face

## Images

![Blueberry Hydrate 12% Barrier Boost Serum with 7 Ceramides Niacinamide Hyaluronic Acid, Reduces Dark Spots, Brightens Skin, Provides Intense Hydration Repairs Skin 30ml - Image 1](https://m.media-amazon.com/images/I/61iF8AcLs5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***H on 22 December 2025*

I am really happy for the purchase. Thanks to Amazon I can order my stuff and get delivery on time and fast 👍👍👍

### ⭐⭐⭐⭐⭐ Review
*by P***K on 6 January 2025*

I have been using dot and key products for pretty long this blueberry hydrate face serum is really effective my skin started glowing and doesn't give itching. I have been applying is continuously it really work best for my skin. It provides an instant hydration boost, leaving skin softer and smoother. It helps even out dull skin and reduces redness. Perfect for dry or uneven skin and its free from harmful chemicals.

### ⭐⭐⭐⭐⭐ Review
*by S***E on 25 December 2024*

I really like the Dot & Key Blueberry Hydrate Serum! It keeps my skin super hydrated and smooth. My dark spots have faded, and my skin looks brighter and healthier. It’s light, absorbs quickly, and doesn’t feel sticky. This has become a must-have in my daily skincare routine!

## Frequently Bought Together

- Dot & Key Blueberry Hydrate 12% Barrier Boost Serum with 7 Ceramides Niacinamide Hyaluronic Acid, Reduces Dark Spots, Brightens Skin, Provides Intense Hydration Repairs Skin 30ml
- Dot & Key Strawberry Dew Tinted Sunscreen SPF 50+ Pa++++ - 01 Porcelain | Protection Against UA/UB | Broad Spectrum, Water & Sweat resistant | For All Skin Types | 50ml

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**Shop now:** [https://www.desertcart.fi/products/721863702-blueberry-hydrate-12-barrier-boost-serum-with-7-ceramides-niacinamide](https://www.desertcart.fi/products/721863702-blueberry-hydrate-12-barrier-boost-serum-with-7-ceramides-niacinamide)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-26*