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Well studied
skin conditioning skin protecting soothing

Allantoin

Characteristics

INCI
Allantoin
CAS
97-59-6
EC
202-592-8
IUPAC
Urea, (2,5-Dioxo-4-Imidazolidinyl)-
Functions
skin conditioning, skin protecting, soothing
Irritancy
0 / 5
Comedogen.
0 / 5

Who it's for

Skin Type
▲ Dry ▲ Oily ▲ Combination ▲ Normal ▲ Sensitive ▲ Acne-Prone
Face Concern
▲ Acne ▲ Hydration ▲ Barrier Repair ▲ Soothing
Body Concern
▲ Dryness ▲ Sensitivity
Hair Concern
▲ Flaky scalp ▲ Hair Loss ▲ Hydration ▲ Scalp Health ▲ Sensetive Scalp
Application Area
▲ Face ▲ Body ▲ Hair ▲ Scalp ▲ Eyes ▲ Lips

Description

Super common soothing ingredient. It can be found naturally in the roots & leaves of the comfrey plant, but more often than not what's in the cosmetic products is produced synthetically. 

It's not only soothing but it' also skin-softening and protecting and can promote wound healing.

Frequently Asked Questions about Allantoin

What does allantoin do for the skin?
Allantoin is mainly used as a skin-soothing and skin-conditioning ingredient. It can help reduce the feeling of irritation, support a smoother skin surface, and make products feel more comfortable on the skin. It is especially common in formulas meant for dry, sensitive, or easily irritated skin.
Is allantoin good for sensitive or irritated skin?
Yes, allantoin is often included in products for sensitive or irritated skin because it has a calming, soothing effect. It does not work like a medicated anti-inflammatory, but it can help improve comfort and support the skin barrier. That makes it a useful supporting ingredient in creams, lotions, and gels.
Can allantoin help with scars?
Allantoin may help skin feel softer and better hydrated, which can improve the look of rough or healing skin. However, it does not remove scars or meaningfully fade scar tissue on its own. For scar improvement, ingredients and treatments that target pigment, texture, or collagen are usually more effective.
How is allantoin used in skincare products?
You’ll usually find allantoin in moisturizers, creams, serums, gels, after-sun products, and products for sensitive skin. It is typically used in low concentrations as part of a formula rather than as a standalone ingredient. Its job is to support comfort, softness, and overall skin feel.
Is allantoin safe for daily use?
Allantoin is generally considered safe and well tolerated for daily use in skincare. It is common in products designed for frequent application, including face creams and body lotions. As with any ingredient, a small number of people may still react to a specific formula because of other ingredients in the product.

Products with Allantoin (24 576 total)

Most often found in TonyMoly products (139 items)

All 24 576 products →
Synonyms
- Allantoin (2,5-Dioxo-4Imidazolidinyl Urea) Allantoin (Matrine) Allantoin (W/W, P/P) Allantoin **Allantoin *Allantoin ˜Allantoin Allantoin⁠ Allantoin - (0.1%) Allantoin - (0.10%) Allantoin (0.1%) Allantoin (0.10%) Allantoin (0.15%) Allantoin (0.2%) Allantoin (0.25%)