Citrus Grandis (Grapefruit) Seed Extract is a cosmetic ingredient used as astringent, perfuming, skin conditioning. Rated low hazard by EWG. Assessed as safe by the CIR.
Family
Rutaceae (Citrus family)
Plant Part
Seed
Lifeform
Tree
Climate
Wet tropical
CAS #
90045-43-5 / 8016-20-4
Form
Liquid
See origin →
Functions
Astringent
Tightens and contracts skin tissue, temporarily shrinking pores and reducing oiliness. That "clean, tight" feeling after toner.
Perfuming
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Tonic
Astringent, Perfuming, Skin Conditioning, Tonic, Anti
Inflammatory, Moisturizing, Boosts Collagen, Softens and smooths skin, Tightens and tones pores, Tightens and tones skin, Adds pleasant scent
Traditional Use
Grapefruit seed extract became popular in 1980s-1990s natural health and skincare products for its claimed antimicrobial and antioxidant properties, though traditional use predates modern commercialization.