Ingredient Library

The ingredients that do the most work in our formulas, described plainly. What each one is, what it is for, and where it sits in a ritual. Full ingredient lists are on every product page.

Hydrators

Hyaluronic acid

A humectant that holds water in the skin. Multi-weight forms hydrate at different depths. Best applied to damp skin and sealed with a moisturizer. Found in AURA, ÉLAN, AQUAIRE, ELASTA and many of our creams.

Sodium PCA

Part of the skin's own natural moisturizing factor. A lightweight humectant that pairs well with hyaluronic acid.

Betaine

A gentle humectant derived from sugar beet that hydrates and helps skin feel comfortable.

Aloe

Soothing, water-rich and light. A base for many of our gels and serums.

Urea (hydroxyethyl urea)

A humectant that softens rough, dry skin on the body. The core of RESTORE BODY.

Barrier support

Ceramide-like lipids (glycosphingolipids)

Lipids that resemble those in the skin's own barrier, used to help skin feel replenished overnight. In VEIL.

Shea and cocoa butter

Rich plant butters that soften and protect. Used in our nourishing creams and body formulas.

Prebiotics (Lactobacillus ferment lysate)

Ferment-derived ingredients that help support a balanced skin surface, particularly for skin that reacts easily. In SYMBIO and EQUILIBRE.

Panthenol

Pro-vitamin B5. Soothing and hydrating; helps skin feel calm.

Tone and brightness

Vitamin C (ascorbyl glucoside)

A stable form of vitamin C that supports a brighter, more even look over time. Morning use. In LUMEN.

Alpha-arbutin

A brightening ingredient used for the look of dark spots and uneven tone. In CHROMA.

Niacinamide

Vitamin B3. Helps refine the look of pores and tone, and suits most skin types. In BALANCE and AGELESS.

Kojic acid

A brightening ingredient often paired with exfoliation. In POLIRE.

Renewal and firmness

Peptides (Hexapeptide-11)

Short chains of amino acids used in formulas for skin that has lost some firmness. In NOIRÉ and FORMA.

Bakuchiol

A plant-derived alternative to retinol for renewal, generally gentler on sensitive skin. Night use. In NOCTURNE.

Dipalmitoyl hydroxyproline

A lipid-bound amino acid used in firming and eye formulas.

Exfoliation and clarity

Lactic acid

An alpha hydroxy acid that resurfaces gently and hydrates as it works. Use one to two times a week, at night. In RESURFACE and RESET SCALP.

Salicylic acid

A beta hydroxy acid that clears within the pore. Suits oily and blemish-prone skin. In CALIBRATE.

Clays (kaolin, montmorillonite) and charcoal

Absorb excess oil and draw out congestion in a mask. In CLARITY.

Zinc PCA

Helps balance oil in gel moisturizers for oily skin. In VOLT.

Antioxidants and refreshers

Ginkgo, green tea, grape seed

Plant antioxidants used to help defend skin against daily environmental stress. In DEFEND.

Caffeine

Used in eye and booster formulas for the look of puffiness. In AWAKE.

Horse chestnut and escin

Botanicals traditionally used in eye-area formulas for a refreshed look.

Plant oils

Jojoba, sunflower, argan, rosehip, sweet almond

Lightweight to medium oils that nourish and soften without heaviness. Found across our face oils, body oils and creams.

How to layer · Formula standards