Author T. Quinn, R. Harper
Journal Edition sofw journal 6-2020

Abstract

This research evaluates the ability of jojoba esters and hydrolyzed jojoba esters to protect the skin from insults consumers are exposed to everyday, such as pollution, sensitizers, and commonly used personal care ingredients. Jojoba esters and hydrolyzed jojoba esters are jojoba derived emollients that are commonly included in cosmetic and personal care products for their aesthetically pleasing properties and functionality, which include their ability to moisturize and protect the skin. Consumers encounter a variety of insults to the skin daily, including pollution, allergens, UV rays, as well as various ingredients included within personal care products, such as surfactants, alpha hydroxy acids, and fragrance.
A series of in vivo, vehicle-controlled studies were carried out to determine if a combination of jojoba esters and hydrolyzed jojoba esters could protect the skin (i.e. reduce symptoms of irritation) from the following everyday insults: antiperspirant actives, pollution, and known sensitizers (i.e. allergens). The results show that jojoba esters and hydrolyzed jojoba esters provided statistically significant benefits for reducing perceived irritation / sensitivity, barrier disfunction (i.e. TEWL), and erythema.

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