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Scalp & Follicle Active

Caffeine

also on labels as 1,3,7-Trimethylxanthine · Coffee Extract

Bioactive alkaloid that stimulates scalp microcirculation and counteracts local follicle stress pathways in topical leave-in formulations.

scalp activeGood to knowHair types
How it's writtenOn a label, look for
  • Caffeine
  • 1,3,7-Trimethylxanthine
  • Coffee Extract
We haven't read a label with it yet.We've read 34 so far.
Good to know

Supported by promising human topical research (with methodological limitations across studies); water-soluble and non-greasy.

Hair types

Notes for different hair

All hair types (used in hairline/edge and density scalp serums).

General patterns from our research, not rules. Hair of the same type can respond differently, so your own results count most.
Also scalp active

Other ingredients like it

Source: The Good Coil research · Ref ING-050Get this as data (JSON)How we write these