Skip to content

Formulation

Preservatives

Ingredients added to cosmetic formulations to prevent microbial contamination, extend shelf life, and protect consumer safety. Common preservatives include phenoxyethanol, ethylhexylglycerin, and parabens; all are rigorously safety-tested at permitted concentrations.

Issue 47 · This Sunday
In testing: Niacinamide · Bakuchiol · Polyhydroxy acids · Ceramides
TheGlowScience Sunday

One editor's pick.
Every Sunday morning.

Honest reviews of new launches and clinical-strength essentials.No SPAM, no fluff.

  • Tested by us, not bought
  • 1 product, 1 verdict, every Sunday
  • No sponsored content ever

Free. Unsubscribe in one click. Privacy-first — we never share your email.