BHT

Bra

Antioxidant

Inga kända fördelar

BHT omedelbart

  • The abbreviation for butylated hydroxytoluene 
  • Potent synthetic antioxidant 
  • Helps keep delicate ingredients stable 
  • Considered safe as used in cosmetics

BHT beskrivning

BHT is Butylated hydroxytoluene, a potent synthetic antioxidant sometimes used to help stabilise light- and air-sensitive cosmetic ingredients such as retinol and unsaturated fatty acids. BHT is also globally approved for use as a food-grade preservative, where its antioxidant action keeps foods fresher longer. Amounts of 0.02% or less are considered safe for this use; however, controversial reports have been published since the 1970s that digestive metabolites of BHT could cause health problems. The amount of BHT uses in cosmetic products is typically 0.0002%-0.5%. Such low amounts do not pose a risk to skin (indeed, the safety assessment found BHT was non-irritating) nor does it penetrate skin far enough to be absorbed into the bloodstream. The European Union’s Scientific Committee on Consumer Safety concluded in December 2021 that “BHT is safe as an ingredient up to a maximum concentration of 0.8% in other leave-on and rinse-off products.”

BHT referenser

  • Environmental Science and Technology, October 2020, pages 11,706–11,719
  • Environment International, July 2019, pages 24–29
  • International Journal of Toxicology, Volume 21, Issue 2, October 2002, pages 19–94
  • https://ec.europa.eu/health/sites/default/files/scientific_committees/consumer_safety/docs/sccs_o_257.pdf

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingrediensrankning

Bäst

Effektiv och bevisad genom oberoende studier. Enastående aktiv ingrediens för de flesta hudtyper eller hudbesvär.

Bra

Nödvändig för att förbättra en formulas struktur, stabilitet eller penetration.

Genomsnittlig

Vanligtvis inte irriterande, men kan ha estetiska, stabilitets- eller andra problem som begränsar dess användbarhet.

Dålig

Det finns en risk för irritation. Risken ökar när den kombineras med andra ingredienser som kan orsaka irritation eller inflammation.

Sämst

Kan ge upphov till irritation, inflammation, torrhet och andra oönskade effekter. Kan ha vissa fördelar men har i allmänhet visat sig göra mer skada än nytta.

okänd

Vi kunde inte hitta detta i vårt ingredienslexikon. Vi registrerar alla saknade ingredienser och gör kontinuerliga uppdateringar.

Inte betygsatt

Denna ingrediens har inte blivit rankad eftersom vi inte har haft möjlighet att granska den aktuella forskningen.