Ingredients Anti-inflammatory Allantoin
38Al
Sourced from lab
Tier · Moderate evidence
Anti-inflammatory · Hydrating

Allantoin

INCI: Allantoin · Also called: 5-Ureidohydantoin

A gentle smoother and skin-soother. Reduces flakiness and helps the surface look more even.

For your skin

A gentle smoother and skin-soother. Reduces flakiness and helps the surface look more even.

Want the science? Keep reading ↓

Mechanism of action

Keratolytic and soothing agent that promotes cell proliferation and smooths rough texture.

Why we tier this moderate

6 cited papers across 3 countries. The mechanism is well-described and there's at least one controlled trial in the literature, but we tier this Moderate rather than Strong to stay honest about how many specific papers we cite directly.

4
International
1
China
1
United States

Layering matrix

Cited research

🇨🇳

Xu Z et al., Efficacy and Safety of Topical Compound Heparin Sodium Allantoin Gel for the Treatment of Rosacea, Journal of Cosmetic Dermatology 2025;24(4):e70129 — RCT (n=82, 12 weeks): allantoin gel improved erythema and alleviated itching/burning vs traditional therapy

2025Positive — efficacyPMID:40177799View source ↗
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Tan C et al., The combination of allantoin, bisabolol, D-panthenol and dipotassium glycyrrhizinate mitigates UVB-induced PGE2 synthesis by keratinocytes, International Journal of Cosmetic Science 2024;46(5):691-701 — in vitro: allantoin combination reduced UVB-induced PGE2, IL-1α, IL-6, IL-8, TNFα

2024Mechanism onlyPMID:38433250View source ↗
🌐

Saucedo-Acuna RA et al. (Mexico), Characterization and In Vivo Assay of Allantoin-Enriched Pectin Hydrogel for the Treatment of Skin Wounds, International Journal of Molecular Sciences 2023;24(8):7377 — allantoin-pectin hydrogel reduced wound healing time by ~71% with complete closure at day 15 in rat model

2023Mechanism onlyPMID:37108540View source ↗
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Leeyaphan C et al., A randomized controlled trial to compare the effectiveness and safety of adsorbent lotion containing tapioca starch, spent grain wax, B. parkii extract, A. spinosa kernel oil, A. barbadensis, rosehip oil, and allantoin with a low-potency topical corticosteroid in the treatment of intertrigo, Journal of Cosmetic Dermatology 2022;21(2):679-688 — allantoin-containing adsorbent lotion equivalent to low-potency steroid for intertrigo

2022Positive — efficacyPMID:33811776View source ↗
🇺🇸

Paller AS et al., Efficacy and tolerability of the investigational topical cream SD-101 (6% allantoin) in patients with epidermolysis bullosa: a phase 3, randomized, double-blind, vehicle-controlled trial (ESSENCE study), Orphanet Journal of Rare Diseases 2020;15(1):158 — phase 3 RCT; 6% allantoin not superior to vehicle for EB wound closure

2020InconclusivePMID:32576219View source ↗
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Araujo LU et al. (Brazil), Profile of wound healing process induced by allantoin, Acta Cirurgica Brasileira 2010;25(5):460-6 — allantoin accelerated wound healing via inflammatory regulation and stimulation of fibroblast proliferation and ECM synthesis

2010Mechanism onlyPMID:20877959View source ↗

Sources: PubMed · KCI · J-Stage · CNKI · Wanfang · SFD · MFDS · Cochrane · SCCS · CIR. Every entry points to a specific document. See methodology for what each outcome label means.