New atlas maps how skin ages using 3D collagen scans

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Subject having signed an Informed Consent Form (ICF) before any trial related activity is carried out; * Healthy female subject aged 20 to 75 years inclusive at the time of signing the ICF; * Subject with a phototype I to III on Fitzpatrick's scale; * Subject who is willing to follow the study procedures and to complete the study course; * Subject registered with Social Security in agreement with French law on study research. Exclusion Criteria: * Male subject; * Female subject who is pregnant or who is breast feeding; * Subject with current participation in any other interventional clinical study, based on interview of the subject; * Subject with facial dermatitis, rosacea, acne, eczema, psoriasis, skin rashes, open lesions, vitiligo or viral conditions such as herpes labialis; * Subject who has collagen vascular disease, a significant systemic disease, immunological problems or inflammatory skin conditions on the face; * Subject who has had a face lift; * Subject has had a non-ablative and/or ablative laser procedure on the face in the past 3 months; * Subject with a history of botulinum toxin or mesotherapy injections on the face within the last 6 months, or absorbable fillers injections (such as hyaluronic acid or autologous fat…) in the last 12 months or injectable implants (semi-permanent fillers) within the last 24 months; * Subject having done a moderate to deep peeling or non-invasive rejuvenation techniques such as radiofrequency, ultrasound and lasers in the last 6 months; * Subject having applied any cosmetic product (care cream, lotion, makeup) except usual cleansing products or any drug to her face on the day of the visit; * Subject who has been deprived of their freedom by administrative or legal decision, or who is under care of a guardian or legal guardianship, or subject hospitalized in a medical or social establishment for any reason.