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Review Articles

Anti-ageing peptides and proteins for topical applications: a review

ORCID Icon, , , , ORCID Icon, ORCID Icon & ORCID Icon show all
Pages 108-125 | Received 22 Jul 2021, Accepted 24 Dec 2021, Published online: 06 Jan 2022
 

Abstract

Skin ageing is a cumulative result of oxidative stress, predominantly caused by reactive oxygen species (ROS). Respiration, pollutants, toxins, or ultraviolet A (UVA) irradiation produce ROS with 80% of skin damage attributed to UVA irradiation. Anti-ageing peptides and proteins are considered valuable compounds for removing ROS to prevent skin ageing and maintenance of skin health. In this review, skin ageing theory has been illustrated with a focus on the mechanism and relationship with anti-ageing peptides and proteins. The effects, classification, and transport pathways of anti-ageing peptides and proteins across skin are summarized and discussed. Over the last decade, several novel formulations and advanced strategies have been developed to overcome the challenges in the dermal delivery of proteins and peptides for skin ageing. This article also provides an in-depth review of the latest advancements in the dermal delivery of anti-ageing proteins and peptides. Based on these studies, this review prospected several semi-solid dosage forms to achieve topical applicability for anti-ageing peptides and proteins.

Graphical Abstract

Acknowledgments

The authors would like to thank Sanjukta Duarah for her constructive criticism of this manuscript. This work did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

Disclosure statement

The authors declare no conflict of interest.

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