Hydroxypinacolone Retinoate (HPR) ek retinoid ingredient hai jo directly retinoid receptors se bind karta hai bina kisi conversion ke. Isse aging ke signs, uneven skin texture, aur acne prone skin ke liye use hota hai. Yeh ek powerful anti-aging ingredient maana jaata hai jo skin ko smooth aur firm banana mein maddad karta hai.