Plant Small RNAs: A New Technology for Skin Care.

Area of Science:

• Cosmetic Science
• Molecular Biology
• Biotechnology

Background:

• Baobab seedcake (Adansonia digitata) is a rich source of bioactive compounds.
• Plant small RNA (PSR) technology enables extraction of small ribonucleic acids (RNAs) for cosmetic applications.
• Small RNAs, including microRNAs (miRNAs), are crucial for gene regulation.

Purpose of the Study:

• To evaluate the cosmetic potential of a baobab seedcake extract produced by PSR technology.
• To investigate the role of small RNAs in the extract's biological activity on skin.
• To assess the extract's effects on skin aging markers.

Main Methods:

• Extraction of baobab seedcake using patented PSR technology.
• Testing the extract on ex vivo skin and skin fibroblasts.
• Assessing collagen expression, Drosha enzyme activity, miRNA-19b expression, and senescence-associated β-galactosidase activity.

Main Results:

• The PSR extract demonstrated efficacy in promoting collagen expression in ex vivo skin.
• The extract significantly impacted markers of cellular senescence in aged fibroblasts.
• The presence of small RNAs was crucial for the observed biological activity.

Conclusions:

• The baobab seedcake extract produced via PSR technology shows significant potential for cosmetic applications.
• Small RNAs in the extract play a key role in its anti-aging effects.
• This extract offers a novel, natural ingredient for cosmetic formulations targeting skin aging.