In a previous study, the cosmetic night cream RV4983A- LA3365 has proven a great efficacy in reducing the clinical signs of skin aging, as well as a great tolerance. The skin structure and composition greatly evolve over the time, and deciphering the biological mechanisms by which the cosmetic night cream RV4983A- LA3365 reduces the signs of skin aging is therefore of great interest to deepen our efficacy evaluation and knowledge on skin aging biology.
An intra-individual, comparative study randomized will be conducted as monocentric trial in female adult 46 subjects are included 4 visits are planned: * Visit 1 (D1): Inclusion and 1st product application * Visit 2 (D28): Phone call follow-up * Visit 3 (D57): End of application and biopsies * Visit 4 (7 days after V3): Biopsies control and end-of-study For a subject completing the study, the theoretical investigational product application will be 56 consecutive days up to 59 days maximum. The maximal duration of participation for a subject is 68 days.
Study Type
OBSERVATIONAL
Enrollment
46
This is an intra-individual comparison study. * frequency of application: Once a day (in the evening) * modalities of application: Apply the cream on the tested area determined by the randomization * duration of investigational product application: 56 days (a window of + 72 hours is allowed)
SpinControl
Tours, Indre et Loire, France
Biological efficacy assessed by the analysis of proteins expression related to aging.
Will be determined from skin biopsies.
Time frame: Day 57
General safety assessed by the occurence of Adverse Events.
The occurrence of Adverse Events will be determined by the subject's spontaneous reporting, the investigator's non-leading questioning and his/her clinical evaluation.
Time frame: Day 1 to Day 68
Compliance calculated from data reported by the subject in her diary.
Time frame: Day 1 to Day 57
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