Study of biological markers in skin quality treatment by subcutaneous injection of a stabilized composition of 26 mg/mL of high molecular weight HA

Abstract

Aim: Hyaluronic acid (HA) injectables have gained rapid acceptance for the treatment of skin rejuvenation. A novel HA/sorbitol composition intended for skin quality improvement containing 2.6% of high molecular weight HA stabilized by sorbitol was recently designed to be injected subcutaneously. The aim of this study was to assess the expression of biological markers of skin quality after administration of the composition.

Methods: The HA/sorbitol composition was evaluated after injection into the superficial adipose tissue with ex vivo cultured human skin explants versus a product comparator to study the general morphology of the skin tissues and the expression of HA, elastin, collagen type I, collagen type III, and fibrillin-1 in the dermal layer.

Results: The results demonstrate that the HA/sorbitol composition is able to boost the production of HA, elastin, collagen type I, collagen type III, and fibrillin-1 in the dermis while providing a proper quality of skin morphology.

Conclusion: The HA/sorbitol composition improved biological markers of skin quality in the dermis after product injection into the superficial adipose tissue. This novel composition can be considered as an attractive solution to treat skin aging by injecting a specific HA/sorbitol formulation to strategically target the subcutaneous tissue to improve the quality of the different layers of the skin.

Keywords

Facial aging / hyaluronic acid / sorbitol / skin quality biological markers

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