Ingredient review

Amylose

INCI: AMYLOSE

Amylose is a gentle, natural starch derivative that helps create a smooth, lightweight film on the skin, improving texture and moisture retention without clogging pores.

beautyskincarefilm-former

In plain English

Amylose is a type of starch molecule found in plants like corn and potatoes. In skincare, it acts like a gentle, invisible shield on your skin. It helps hold moisture in and gives products a silky, smooth feel without being heavy or greasy. Think of it as a natural helper that makes your moisturizer spread nicely and keeps your skin feeling soft.

Quick decision guide

Useful, but context matters

Amylose is generally a lower-concern ingredient when the full formula suits your skin.

Plain-English read

Treat this as a practical screening step before you compare products that contain this ingredient.

  1. Step 1Start with the score, then check the irritation and clogging risk before judging Amylose.
  2. Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
  3. Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.

Score terms in plain English

Irritation risk

low

Less likely to sting, burn, or bother most users, though sensitive skin can still react.

Clogging risk

low

Less likely to feel heavy or contribute to clogged pores for most skin types.

Evidence level

moderate

There is useful support, but formula details and claim strength still matter.

What it is

Amylose is a linear polysaccharide (a long chain of sugar molecules) that makes up about 20–30% of starch. It is extracted from plant sources such as corn, potatoes, or tapioca. In cosmetics, it is used as a film-forming agent and texture modifier.

How it works

When applied to the skin, amylose forms a thin, flexible film that helps reduce water loss (transepidermal water loss, or TEWL) by creating a temporary barrier. It also improves the feel of a product by adding a silky, non-sticky texture and helping other ingredients spread evenly.

Pros

Gentle moisture barrier

Amylose forms a light film that helps reduce water loss from the skin, making it a good option for maintaining hydration without heavy occlusives.

Smooth texture enhancer

It improves the feel of creams and serums, giving them a silky, non-greasy finish that makes application more pleasant.

Cons and cautions

Potential tackiness at high levels

If used in high concentrations, amylose can leave a slightly sticky or tacky residue on the skin, which may be uncomfortable for some users.

Limited long-term data

While amylose is safe and effective as a film-former, there is less research on its long-term benefits for skin health compared to more studied humectants like hyaluronic acid.

Best for

  • People with normal to dry skin looking for a gentle moisture booster
  • Those who prefer natural, plant-derived ingredients in their skincare routine

Use caution if

  • Individuals with a known allergy or sensitivity to starch-based ingredients (rare)

Usage tips

Use products with amylose after water-based serums to help seal in hydration.
Layer with a lightweight moisturizer for best results, especially if you have oily or combination skin.

Safety summary

Amylose is considered safe for topical use with a low risk of irritation or allergic reactions. It is non-comedogenic and suitable for sensitive skin. No significant safety concerns have been reported in cosmetic applications.

Research notes

Research on amylose in cosmetics focuses on its film-forming and moisture-retention properties. Studies show it can reduce TEWL and improve product texture. However, most evidence comes from formulation science rather than large-scale clinical trials on skin health.

Common label clues

Typical concentration
0.5–5% in leave-on products
Regulatory status
Approved for use in cosmetics in the EU, US, and most other regions. Generally recognized as safe (GRAS) as a food additive, with a long history of safe topical use.
Common uses
Moisturizers, Serums, Masks, Hair products
Environmental note
Amylose is derived from renewable plant sources and is biodegradable, making it an environmentally friendly choice compared to synthetic film-formers.

Good to know

  • Amylose is often combined with other starches or film-formers to balance texture and performance.
  • It is considered a 'clean' ingredient by many natural beauty standards.

Common questions

What is Amylose in beauty products?

Amylose is a type of starch molecule found in plants like corn and potatoes. In skincare, it acts like a gentle, invisible shield on your skin. It helps hold moisture in and gives products a silky, smooth feel without being heavy or greasy. Think of it as a natural helper that makes your moisturizer spread nicely and keeps your skin feeling soft.

What does Amylose do in a beauty product?

When applied to the skin, amylose forms a thin, flexible film that helps reduce water loss (transepidermal water loss, or TEWL) by creating a temporary barrier. It also improves the feel of a product by adding a silky, non-sticky texture and helping other ingredients spread evenly.

Is Amylose safe for most people?

Amylose is considered safe for topical use with a low risk of irritation or allergic reactions. It is non-comedogenic and suitable for sensitive skin. No significant safety concerns have been reported in cosmetic applications.

Who should be careful with Amylose?

Individuals with a known allergy or sensitivity to starch-based ingredients (rare)

Research sources

CosIng Database - AmyloseOpenPubMed - Starch derivatives in cosmeticsOpenPersonal Care Council - Safety Assessment of Starch DerivativesOpen

Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.