Kiehl's ULTRA PURE high-potency serum 5% niacinamide

Acne Treatment Cream & blackhead removal

Kiehl's
(1)
FAQ (4)
Expected delivery:
Thursday 10/15/2026
Thursday 10/15/2026

*Approximate for orders whose destination is the provincial capital. In other cases there will be a delay of 1 day.
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ULTRA PURE high-potency serum 5% niacinamide

Concentrated 5% niacinamide serum, ideal for oily skin and made with only 10 ingredients. Visibly reduces excess oil and blemishes.

58% less excess oil instantly. Imperfection reduction in 2 weeks.

How to use:

Apply 4-5 drops of the niacinamide serum to clean, dry skin in the morning and at night.

Skin type
Oily With acne
Textures
Serum
Format
Doser
Ingredients
Niacinamide
EAN
3605972791238
Skin type
Oily With acne
Textures
Serum
Format
Doser
Ingredients
Niacinamide
ingredients
aqua/water, niacinamide, glycerin, propanediol, methyl gluceth-20, hydroxyacetophenone, sodium hyaluronate, caprylyl glycol, carbomer, sodium hydroxide

The lists of ingredients contained in product composition are updated regularly. Consult the list of ingredients on the packaging before using the product.

Brand Safety Warning
In case of contact with eyes, rinse immediately and thoroughly with water.
Legal information of the brand
Kiehl's, 14, rue Royale, 75008, París
https://www.loreal.com/es-es/espana/
corpes.contacto.loreal@loreal.com

Assessment Kiehl's - ULTRA PURE high-potency serum 5% niacinamide

4
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1 Reviews
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4
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Reviews Kiehl's - ULTRA PURE high-potency serum 5% niacinamide

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5 4 3 2 1
Age
Between 18 and 25 years old Between 26 and 35 years old Between 36 and 50 years old More than 50 years old
Gender
Woman Man
Usage time
Not specified Less than 6 months Between 6 months and 1 year Between 1 and 3 years Between 3 and 5 years More than 5 years
Skin Type
Mixed Oily Dry Sensitive With acne Normal Atopic Seborrheic Normal/Mixed
maria jesus
04/06/2025
Excellent
I love the product, I use it twice a week in the mornings.
Comment made on sample product
Translated by Google
Gender: Woman
Age: ---
Country: ES
Has been using this product for: Not specified
Skin Type:
Oily
maria jesus recommends this product
Rate this product

FAQ Kiehl's - ULTRA PURE high-potency serum 5% niacinamide

?
What are the benefits of Kiehl’s Ultra Pure Niacinamide Serum?
Translated by Google
-25/03/2026
It is the perfecting ally for combination skin that guarantees:
• Total control of glare throughout the day.
• Skin with a clearer and more even appearance.
• Reduction of roughness on the surface of the face.
?
When should the Ultra Pure Niacinamide serum be applied?
Translated by Google
-20/02/2026
It can be used morning and night. Its texture is so light that it absorbs instantly, allowing you to continue with your usual routine without leaving any sticky residue.
?
Is Kiehl’s niacinamide effective for redness?
Translated by Google
-24/12/2025
Yes, niacinamide is known for its calming properties, helping to strengthen the skin barrier and reduce the visibility of blemishes or post-blemish marks.
?
How does Ultra Pure Serum with 5% niacinamide work?
Translated by Google
-07/11/2025
This concentrated serum helps reduce the appearance of shine and blemishes, unifying skin tone and smoothing uneven texture.
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