A natural film-forming ingredient that may temporarily smooth skin and support moisture retention, but research is still early.
Irritation
low
Source
natural
Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
A natural film-forming ingredient that may temporarily smooth skin and support moisture retention, but research is still early.
Irritation
low
Source
natural
A gentle, modified keratin protein that forms a protective film on hair and skin to improve strength, moisture retention, and manageability.
Irritation
low
Source
semi-synthetic
Gliadin is a wheat protein that creates a temporary tightening film on skin, often used for a quick firming effect.
Irritation
low
Source
natural
A modified silk protein that forms a lightweight film on skin, offering temporary smoothing and moisture retention, but with limited independent research on this specific PEGylated form.
Irritation
low
Source
semi-synthetic
A gentle, biomimetic polymer that helps lock in moisture and improve skin feel without clogging pores.
Irritation
low
Source
synthetic
Serica is a silk-derived ingredient that gives skin a silky, smooth feel and helps lock in moisture, but it may not suit those with silk allergies.
Irritation
low
Source
natural