The Beauty Signal
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The ingredient narratives reshaping clean beauty.

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Octisalate (Ethylhexyl Salicylate)

aka ethylhexyl salicylate · 2-ethylhexyl salicylate · 2-EHS · octyl salicylate

A UVB-absorbing organic UV filter providing supplementary UVB protection and avobenzone photostabilisation. Appears in chemical sunscreen combinations. Under moderate regulatory scrutiny.

Benefits
  • UVB absorption (290–315 nm)
  • Photostabilises avobenzone by trapping excited-state energy
  • Oil-soluble — aesthetic compatibility
  • Enhances water resistance when combined with film-formers
  • FDA-approved up to 5%
Example uses
  • Chemical sunscreens
  • SPF moisturisers
  • Tinted SPF formulas
  • Sports sunscreens
  • After-sun SPF maintenance formulas
Formulation notes

Requires avobenzone or other UVA filter for broad-spectrum claim. Pairs well with octocrylene and homosalate. Not volatile.

Watchouts

SCCS 2021 review flagged potential estrogenic activity in vitro; in vivo significance at cosmetic use concentrations is considered low by TGA 2025 review. Systemic absorption above 0.5 ng/mL threshold documented. Less controversial than homosalate.

Clean beauty perception

Accepted in many clean-beauty brands using hybrid or chemical SPF. European acceptance higher than US clean-beauty context.