Ultra Pure High-Potency - Ultra Pure High-Performance Serum with Niacinamide 30 ml

-58% immediate reduction in sebum*
Reduces blemishes in 1 week**

*Based on a clinical study conducted with 50 individuals
**Based on a consumer study conducted with 78 individuals MINIMALIST FORMULA
Formulated with just 10 ingredients, our serum, concentrated with 5% Niacinamide, has a fast-absorbing texture that allows the active ingredients to be quickly absorbed by the skin, for fast results from the 1st week.

NIACINAMIDE
Also known as nicotinamide, it is one of the three forms of vitamin B3. Niacinamide's soothing, antioxidant and anti-inflammatory properties help prevent hyperpigmentation marks from forming.

Charlène, our Kiehl’s Skin Pro, shares her routine with you for smooth, hydrated skin:
Step 1: Cleanse your skin - Ultra Facial Cleanser
Step 2: Smooth your skin - Ultra Pure Serum 5,0% Niacinamide
Apply the serum all over your face, including around the eyes and crow's feet, taking care to avoid contact with the eye and eyelid.
Step 3: Moisturise your skin - Ultra Facial Oil-Free Cream

How to layer the Ultra Pure Serums:
TO HYDRATE AND CONTROL EXCESS SEBUM
Step 1: ULTRA PURE SERUM 1,5% HYALURONIC ACID
Step 2: ULTRA PURE SERUM 5,0% NIACINAMIDE

'TO SMOOTH AND TIGHTEN PORES
In the morning: ULTRA PURE SERUM 5,0% NIACINAMIDE
In the evening: ULTRA PURE SERUM  9,8% GLYCOLIC ACID

In case of contact with eyes, rinse immediately and thoroughly

KIEHL'S - 14, rue Royale - 75008 Paris France
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Warning: product ingredient lists are regularly updated. Before using any product, please read the list of ingredients on the packaging to ensure that it is suitable for your personal use.

685871 4 - INGREDIENTS: AQUA / WATER - NIACINAMIDE - GLYCERIN - PROPANEDIOL - METHYL GLUCETH-20 - HYDROXYACETOPHENONE - SODIUM HYALURONATE - CAPRYLYL GLYCOL - CARBOMER - SODIUM HYDROXIDE (F.I.L. Z296889/1).