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Active ingredient

Collagen

INCI · Hydrolyzed Collagen

Hydrolyzed collagen is a protein fragment used topically in skincare and haircare as a humectant and film-former. On skin it draws water into the surface and improves the look of smoothness; on hair it deposits a temporary conditioning film along the cuticle. Topical collagen does not replenish dermal collagen: molecular weight is far too high to penetrate. No major conflicts.

Last reviewed by BIOSAR Scientific Team, PharmD, Cosmetic Chemistry, Pharmacy practice on .

Pregnancy and breastfeeding

No specific caution is known for cosmetic use during pregnancy or breastfeeding. If you are unsure, ask your doctor or pharmacist.

Topical hydrolyzed collagen is considered safe during pregnancy and lactation per Mother to Baby. It acts only at the surface and produces no systemic absorption.

Mechanism in detail

What Collagen does

Structural protein used as a topical humectant and film-forming agent. Supports the appearance of firmness and smooth skin feel in serums and creams.

Evidence

What the research says

  • 4 weeksSmoother, less reactive sensitive skin than with placebo

    A double-blind trial in 40 women with sensitive, atopy-prone skin: a product with collagen tripeptide and a prebiotic sugar improved roughness, water loss and redness versus placebo in 4 weeks. Hydration rose equally in both groups.

    Read the study

    Int J Cosmet Sci 2009 (Berardesca et al.)

Where it helps

Concerns Collagen addresses

  • Aging

    The first time you notice it is rarely a wrinkle. It is a quality of light — the way your skin catches it differently in a morning mirror, or the photo where you look more tired than you feel. The mechanism is real (collagen synthesis slows; elastin fragments; barrier turnover lengthens), but the felt experience comes first. Serenity Age is the range BIOSAR built for that pivot — Retinol for visible renewal and collagen support, peptides selected for documented signaling activity, and the SPF discipline that protects every other active you apply.

  • Dryness

    Dryness is a barrier dysfunction in which skin loses water faster than it can retain or replenish it, presenting as flaking, tightness, dullness, and roughness. Mild dryness reflects routine over-cleansing or environmental exposure; chronic dryness signals a deeper deficit in skin lipids (ceramides, cholesterol, fatty acids) and humectant content (the natural moisturising factor). Effective treatment hydrates and replenishes the barrier through three layered actions: humectants that draw water in, occlusives that seal it in, and barrier actives that rebuild the lipid mortar. The BIOSAR Hydraderm range delivers this layered hydration and visibly plumps dehydrated skin.

  • Hyperpigmentation

    Across Fitzpatrick III–V skin tones — the majority of darker skin tones — the most common consultation is the same: the patch on the cheekbone that did not fade. Melasma, post-inflammatory hyperpigmentation, the marks that follow acne and friction. The pattern is photoresponsive, the mechanism is mapped, and visible improvement is reachable with consistent care. The Whitepurity range is built for that work — Alpha-Arbutin for stable tyrosinase inhibition, Niacinamide-led brightening, and the SPF discipline that decides whether any of the rest will hold.

From the BIOSAR catalog

Products formulated with Collagen

Next ingredientColloidal Oatmeal