title: Efficacy of anti-wrinkle products in skin surface appearance: a comparative study using non-invasive methods.
authors.affiliation: Department of Pharmaceutical Technology, Faculty of Pharmacy, Oporto University, Porto, Portugal. rpena@ff.up.pt
authors.forename: M Rosa
authors.initials: MR
authors.lastname: Pena Ferreira
authors.forename: P C
authors.initials: PC
authors.lastname: Costa
authors.forename: Fernanda M
authors.initials: FM
authors.lastname: Bahia