Hydroxytyrosol (HXT) is a phenolic compound extracted from olive trees and their leaves.
Hydroxytyrosol (HXT) is a by-product obtained from the manufacture of olive oil.Olive Leaf Extract is considered to be the most powerful antioxidant compound after gallic acid and the most powerful among phenolic aldehydes.Due to its molecular structure,one of the powerful antioxidant compounds has multiple beneficial effects such as antioxidants,anti-inflammatory agents,anti-cancer agents, and as a skin and eye protectant.
★What is the regulatory status of Hydroxytyrosol in different regions?
- European Union (EU): Approved as a novel food under Regulation (EC) No 258/97, safe for use in specified foods at recommended levels, with the target population excluding children under 36 months, pregnant and breastfeeding women.
- United States (US): Classified as a GRAS ingredient, safe for use in processed foods at a level of 5 mg per serving.
- Global: It is widely recognized as a safe functional ingredient in the food, pharmaceutical, and cosmetic industries, with ongoing research to optimize its production and expand its applications.
★Which cosmetic products are suitable to add Hydroxytyrosol and Recommended dosage ?
Antioxidant Anti-Aging Facial Serums & Ampoules:0.5%–2%
Soothing Repair Day & Night Creams/Lotions:0.3%–1%
Eye Care Gels & Eye Creams:0.3%–0.5%
Sunscreens & UV Protection Isolation Products:0.5%–1%
Hydrating & Calming Toners:0.1%–0.3%
★Is Hydroxytyrosol safe for topical cosmetic use?
Hydroxytyrosol is generally safe for topical cosmetic use when applied within the recommended dosage ranges and formulated properly.
★What is solubility of Hydroxytyrosol ?
Water: Soluble, ≥39.2-100 mg/mL
DMSO: ≥48.5-125 mg/mL (ultrasonic may be needed); 31 mg/mL at 25 °C.
Ethanol: 31-75 mg/mL (ultrasonic may be needed).
Others: Slightly soluble in acetonitrile/methanol; sparingly soluble in ethyl acetate; insoluble in petroleum ether/ether/chloroform.
In vivo: ≥2.08 mg/mL (13.49 mM) with specific mixed solvents.
★Which well-known brands use Hydroxytyrosol in skincare?
OLIVEDA, DermaSign, Anshuzé, Olive Tree People, and Beauty Thinkers.
★What specifications of Hydroxytyrosol do you supply?
Purity: Natural extracts (5%, 10%, 15%, 20%, 25%, 30%, 40%, 50%) and high-purity grades (≥98%, ≥99%) produced by fermentation or chemical synthesis.
Form: Off-white to light yellow powder and slightly yellow viscous liquid.
★Is Hydroxytyrosol compatible with other common cosmetic ingredients?
Yes,it works well with humectants (hyaluronic acid, glycerin), antioxidants (vitamin C, E), whitening ingredients (niacinamide, arbutin), sunscreen ingredients and emollients/emulsifiers.
★What should be noted when adding Hydroxytyrosol to the formula?
Prevent oxidation by adding antioxidants, avoiding high temperatures (<60℃) and storing in cool, dark, airtight containers.
Apply in pH 3.0-6.5; avoid extreme pH.
Avoid mixing with strong oxidants or heavy metal ions.