DE SOUZA SANCHES, Paola et al. Influence of grape seed oil on sun protection factor in sunscreen formulations: a study using Central Composite Design approach. Drug Analytical Research, Porto Alegre, v. 6, n. 1, p. 40–45, 2022. DOI: 10.22456/2527-2616.125327. Disponível em: https://seer.ufrgs.br/index.php/dar/article/view/125327. Acesso em: 3 aug. 2026.