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Hyperpigmentation
An innovative dual-action serum with Thiamidol and concentrated Hyaluronic Acid

Anti-Pigment Dual Serum for all skin types

30 ml
4.0 263 Reviews
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Blemish-prone-skin
Eucerin DermoPurifyer

DermoPurifyer Triple Effect Serum

40 ml
4.2 153 Reviews
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Popular Searches
  • 10
  • 10%
  • 10% cream
  • 10% urea
  • 100
Popular Products
Hyperpigmentation
An innovative dual-action serum with Thiamidol and concentrated Hyaluronic Acid

Anti-Pigment Dual Serum for all skin types

30 ml
4.0 263 Reviews
Buy now
Blemish-prone-skin
Eucerin DermoPurifyer

DermoPurifyer Triple Effect Serum

40 ml
4.2 153 Reviews
Buy now
View All Products

About

A clinically tested Protective Fluid with SPF 30 formulated to prevent blemishes, control shine and protect post-acne marks from darkening due to the sun. Enhanced efficacy together with Triple Effect Serum. Clinical study with 40 volunteers, 12 weeks of regular usage of both Serum & Fluid twice daily. *Product in use study with 100 volunteers, 8 weeks of regular usage twice a day of both Serum and Fluid SPF 30.​
NART: 66868-09900-00

Protective Fluid SPF 30 for blemish-prone skin

Blemish-prone skin is a reality of life for a huge cross-section of society. It affects up to 95% of adolescents and 40% of adults(1). Many people experience post-inflammatory hyperpigmentation or PIH for short, long after the acute blemishes has vanished. After tackling blemishes, they are still stuck fighting their post-blemish marks, which can persist for several years or even a decade(2). Those post-blemish marks left behind after blemishes heal can be even more aggravating and emotionally distressing than the initial blemish itself.

About 1 in 2 people experience post-blemish marks. Men and women are equally susceptible, and all skin types can get them, although it is more prevalent in darker tones of skin(3). Learn more about acne scarring.

Eucerin DermoPurifyer Protective Fluid SPF 30 enables you to prevent blemishes and finally beat post-blemish marks with 3 key factors:

  • Prevents post-inflammatory hyperpigmentation: SPF 30 UVA/B filters protect from sun-induced darkening of post-blemish marks and prevent their appearance.
  • Anti-blemish: Antibacterial Decanediol helps to prevent blemishes and Licochalcone A soothes irritations.
  • Anti-shine: Sebum Regulating Technology delivers a long-lasting, dry, matte finish.

The Protective Fluid SPF 30 has enhanced efficacy when used together with the Eucerin DermoPurifyer Triple Effect Serum.

In fact, respondents in our studies report that the products not only improved their lives and provided relief, but also have the highest efficacy against post-blemish marks of any products they have ever tried. “The combination beats post-blemish marks,” say 95% of users(4).

(1) Zouboulis, C. C., Hautarzt. 2014; 65(8):733–750.

(2) Abad-Casintahan, F. et al., “Frequency and Characteristics of Acne-Related Post-Inflammatory Hyperpigmentation.” J Dermatol. 2016; 43:826–828.

(3) Kaufman et al., Am J Clin Dermatol. 2018; 19:489–503, Perkins et al., JEADV. 2011; 25(9):1054–1060.

(4) Product in use study with 100 volunteers, 8 weeks of regular usage twice a day of both Serum and Fluid SPF 30

Main findings

100%
Visibly protects from darkening of post-blemish marks
95%
Makes my pores look less visible
100%
Makes my skin look clearer
100%
Soothes irritations
100%
Has a light texture
100%
Absorbs very quickly
99%
Has a 0% sticky feeling
100%
Is suitable for usage underneath my make-up

Ingredients

We choose all our ingredients with great care and never compromise on quality. Learn more about the key ingredients of this product.

The ingredients in our brand products are updated regularly. For this reason, occasionally there may be discrepancies between the ingredients on our website and on our product packaging. We therefore recommend that you always pay attention to the information on our product packaging and check the ingredients listed there.

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  • Licochalcone A

    Licochalcone A is a potent anti-inflammatory and antioxidant active that is derived from the roots of the Chinese licorice plant Glycyrrhiza inflata. Licochalcone A protects cells from oxidative stress mediated by UV and blue light (HEVIS).

    Licochalcone A is able to activate anti-inflammatory, antioxidant and detoxifying enzymes. These enzymes protect the skin cells from damage induced by oxidative stress, like lipid peroxidation and DNA as wells as protein damage. Licochalcone A is able to soothe irritated skin and redness.

    Learn More
  • Decanediol

    Decanediol shows antibacterial efficacy against a broad spectrum of microbes, in  particular against Cutibacterium acnes.

    Learn More
FAQ

What is post-inflammatory hyperpigmentation (or PIH for short)?

PIH is a type of hyperpigmentation of the skin that is mainly triggered by the way skin regenerates after inflammation. It can affect the face and body, typically especially UV-exposed areas, and appears as flat spots of hyper-colouration. These range in colour from pink to red, brown or black, depending on skin tone and the depth of hyper-colouration. The root cause is increased melanin production, the pigment that defines the colour of a person’s skin, which is stimulated by inflammatory factors. The blemish triggers melanocytes – the melanin-producing cells – to release excessive melanosomes (pigment granules). The excessive pigment granules darken and discolour the formerly stressed area. Once initial blemishes have subsided, spots of hyper-colouration, so-called post-blemish marks, can remain.

Additionally, sun exposure can aggravate PIH symptoms, darkening the affected patches and prolonging the time it takes for them to fade. Most blemish-related PIH will eventually fade over time, but it can take several years or even a decade until it is fully gone*.

*Abad-Casintahan, F. et al., “Frequency and Characteristics of Acne-Related Post-Inflammatory Hyperpigmentation.” J Dermatol. 2016; 43:826–828.

Who is affected by post-blemish marks?

Post-inflammatory hyperpigmentation is common among many blemish prone skin sufferers since a root cause for this is inflammation. Those marks left behind after blemishes heal can be even more aggravating and emotionally distressing than the original blemishes. Men and women are equally susceptible, and all skin types can get post-inflammatory hyperpigmentation, although it is more prevalent in darker tones of skin, with over 65% of the Black Americans experiencing it, followed by 53% of Hispanics, 47% of Asians and 25% of Caucasians*. This means that we need effective and tolerable skincare fighting both blemishes and post-inflammatory hyperpigmentation for consumers all over the world.

*Kaufman et al., Am J Clin Dermatol. 2018; 19:489–503, Perkins et al., JEADV. 2011; 25(9):1054–1060.

How can post-blemish marks be prevented?

PIH is mainly triggered by the way skin regenerates after an inflammation. To prevent it, though there are no guarantees, avoid picking at or pressing your pimples. The best prevention is, however, to target blemish-related PIH at the root, meaning preventing blemishes from appearing and getting inflamed. Use a mild but effective cleanser and use light, non-comedogenic skincare with anti-inflammatory ingredients, like Licochalcone A and keratolytic Salicylic acid, which are used in our Eucerin® DermoPurifyer Triple Effect Serum to prevent pores from clogging.

Additionally, sun exposure can aggravate PIH symptoms, so we recommend sun protection. Limit the time you spend in the sun and keep out of the sun during its most intense hours. Wear protective clothing and sun hats whenever possible and apply a sun protection factor of at least 30, to protect marks from darkening and help prevent new marks from appearing.

What makes the DermoPurifyer Protective Fluid SPF 30 so effective on blemish-prone skin?

With a high sun protection factor (SPF) of 30 plus UVA, it effectively protects from harmful ultraviolet rays, which contribute to darkening of post-blemish marks and prolonging the time for them to fade. In addition, it contains antibacterial Decanediol, which helps to prevent blemishes, and Licochalcone A to soothe irritation. It also contains Sebum-regulating technology to leave the skin with a long-lasting matte and non-shiny look. 

What is the benefit of using both DermoPurifyer products together?

The products have enhanced efficacy when used in combination. This is one of the findings of our product-in-use study, among other user responses. In an eight-week study, three groups of 100 volunteers each tested the products: one group used Eucerin® DermoPurifyer Triple Effect Serum alone, one group used Eucerin® DermoPurifyer Protective Fluid SPF 30 alone, while the third group used a regimen of the two products in combination. 

After eight weeks, the scores for the regimen cell were the strongest – after regular usage twice daily, volunteers even agreed that it has the highest efficacy of any solution they’ve ever tried* In fact, 95% of users say the combination finally beats their post-blemish marks*.

*Product in use study with 100 volunteers, eight weeks of regular usage twice daily.

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SPF 30
Eucerin DermoPurifyer

DermoPurifyer Protective Fluid SPF30

  • 4.0
    77 reviews
Skin concerns
Blemish-prone-skin
Key Benefits
  • Prevents post-inflammatory hyperpigmentation: SPF 30 UVA/B filters protect from sun-induced darkening of blemish-prone skin marks and prevent their appearance.
  • Anti-blemish: Helps to prevent blemishes appearing and soothes irritations.
  • Anti-shine: Delivers a long-lasting, dry, matte finish.
Read More
Key Ingredients

Licochalcone A, Decanediol

Learn More
Size
SPF 30, 50 ml
Find a pharmacy
4.0
from 77 reviews*
Write Review
    29/04/2025
    Good product
    I recommend for acne prone skin I get good results
    Tazhan
    Originally posted on boots.com
    19/04/2025
    Ok
    Went on nicely at first, but started to pill when I tried to put on any makeup or even just by touching my face after it had dried down
    Kate
    Originally posted on boots.com
    26/02/2025
    Nice
    So far I like. Fries quickly. I don’t find it greasy like other reviewers mentioned. I’m hoping it makes a difference to my red face. So far, not noticed any changes.
    anniebel
    Originally posted on boots.com
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*Reviews are not verified for authenticity