ஐ.எஸ்.எஸ்.என்: 2155-9554
Barbara Geusen, Liliana Rodrigues, Rita Matias, Bárbara Tavares*, Ana Luísa Fonseca, Ana Margarida Silva, Patrícia Oliveira, Marta de Oliveira Ferreira, Dea Zhilivoda, Géraldine Lagast
Background: Available data suggests that the manifestation of aging has a strong genetic basis, which can modify an
individual ‘ s susceptibility to specific skin aging signs. Proteins such as matrix metalloproteinases, aquaporins,
filaggrin, superoxide dismutase and glutathione peroxidase have specific roles. Their encoding genes present single
nucleotide polymorphisms resulting in different responses to skin aging for elasticity, hydration, barrier function and
wrinkles.
Aim: This study aimed to investigate the anti-ageing and anti-oxidant efficacy of a skin care regimen designed to
address the specific needs of a certain genetic risk profile: high risk for collagen breakdown, medium risk for antioxidant
production and low risk for dehydration and impaired barrier function.
Methods: DNA samples of 100 participants were collected for genetic profile analysis. Of these, 24 participants
presenting the most abundant genetic risk profile were enrolled on a 56 days anti-aging efficacy study of a combined
treatment. The antioxidant efficacy of one investigational product was assessed for 14 participants.
Results: Significant wrinkle’s depth and skin roughness improvements were found for the investigational treatment
in comparison to the comparator and baseline. No variations were observed for the skin hydration and barrier
function when compared to the comparator. The skin serum provided a significant antioxidant efficacy up to 24 h.
Conclusion: A skin care regimen designed to address the specific needs of a genetic risk profile characterized by high
risk for collagen breakdown and medium risk for low anti- oxidant production was effective on decreasing wrinkles,
improving skin roughness and protecting the skin from UV oxidative damage.