Question 1

What does Transglutaminase do in a cosmetic formula?

Accepted Answer

This ingredient is a protein-crosslinking enzyme used as a film-forming and conditioning aid, especially in hair and skin products that also contain protein or peptide substrates. It can support temporary smoothing, feel, and adhesion by creating bonds within or between proteins.

Question 2

Is Transglutaminase clean?

Accepted Answer

Clean-beauty standards do not commonly flag this ingredient on restricted lists, but enzyme proteins can be sensitizers in powder handling and occupational exposure. In finished cosmetics, the main practical watchpoint is irritation or allergy potential for very sensitive users, not routine use at low levels.

Question 3

Is Transglutaminase sustainable?

Accepted Answer

This material is typically made by microbial fermentation and is a biodegradable protein, which gives it a better environmental profile than persistent synthetic film formers. Sustainability depends on fermentation feedstocks, purification, and whether the production organism and processing aids meet a brand’s sourcing rules.

Question 4

Is Transglutaminase COSMOS-approved?

Accepted Answer

It may be compatible with COSMOS-natural when produced and processed under allowed biotechnology conditions, especially non-GMO fermentation and permitted auxiliaries. Its Green Chemistry fit is generally reasonable because it is biodegradable, effective at low use levels, and water-compatible, with caveats around fermentation inputs and purification.

Question 5

How does Transglutaminase work chemically?

Accepted Answer

The molecule is a catalytic protein that forms isopeptide links between peptide-bound glutamine residues and primary amines, especially lysine residues in proteins. Activity is typically strongest in mildly acidic to neutral formulas, roughly pH 5 to 8 depending on the source, and it is heat-sensitive, so it is usually added during cool-down rather than high-temperature processing.