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Brightening KNR Serum
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Nothing in this product works against any of your four letters, so it is safe for your skin type.
Not recommended for your sensitivity
Ideal for PM use, this Serum contains three powerful agents – Kojic Acid, Niacinamide and Retinol – which, along with peptides and other skin rejuvenation ingredients, help brighten and even out skin tone.
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Approved for Baumann Skin Types
- 5
- 7
- 9
- 11
Approved for 4 of the 16 Baumann Skin Types, and not for the Allergic sensitive subtype. Dr. Baumann reviews every product against all 16 types before it goes on the site.
What it is and what it does
Ideal for PM use, this Serum contains three powerful agents – Kojic Acid, Niacinamide and Retinol – which, along with peptides and other skin rejuvenation ingredients, help brighten and even out skin tone. KNR Serum features an exclusive Retinsphere liposomal delivery system which helps increase penetration and efficacy of the Retinol.
Who it is for
Approved for 4 of the 16 Baumann Skin Types, and not for the Allergic sensitive subtype.
Key ingredients

Glycerin (Glycerol) is the best natural moisturizing ingredient to hydrate skin quickly. May give products a sticky feel.

Soothing antiaging ingredient that gives cells energy. Help prevent recurrence of dark spots and unwanted skin pigment.

A skin lightener that reduces melanin in skin giving an even skin tone

The best to renew skin. A retinoid Vitamin A cream. Start with low strength.

Anti redness exfoliant that gets thru skin oil to remove blackheads. Calms acne and rosacea. Loved by oily skin types.

Derived from a succulent plant rich in vitamins A, C, E, and glutathione. Known for antioxidant, anti-inflammatory, and skin-brightening.

Acetyl Glucosamine
Acetyl Glucosamine is a type of sugar (saccharide) that helps make glycosaminoglycans like hyaluronic acid which keep skin hydrated, and reduce wrinkles. It also helps suppress the production of melanin, the pigment that causes dark spots, making it useful for treating uneven skin tone. Additionally, it has soothing anti-inflammatory effects. it is a humectant.
Full ingredient list
Product type and skin type data
| Brand | Biopelle |
|---|---|
| Product type | Facial Treatment |
| Size | 1.0 fl. oz. |
| Item number | BP-KNR30BRT |
| Approved Baumann Skin Types | ORPW, OSPT, OSPW, ORPT |
| Recommended for these sensitivities | Acne, Redness, Stinging |
Frequently bought together
Dr. Baumann pairs these together.
Reviews
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