The Effect of Topical Almond Oil vs. Topical Retinol on The Appearance of Facial Wrinkles

Inclusion Criteria: * Post-menopausal women of Fitzpatrick skin types 1 and 2 Exclusion Criteria: * Those with a nut allergy * Smoking is an independent risk factor and serves as a confounder for the development of facial wrinkles and photoaging \[14\]. Therefore, current smokers, those that have smoked within the past year, and former smokers with greater than a 20-pack year history of smoking will be excluded. * Those with an autoimmune photosensitive condition or a known genetic condition with a deficiency in collagen production (such as Ehlers-Danlos syndromes) will be excluded as this can be a confounder for facial wrinkles. * Those who have undergone any cosmetic procedures to the face in the 4 months prior to enrollment in the opinion of the investigator. People that have undergone deeper chemical peels (TCA based peels) within 1 year prior to enrollment will also not be eligible. * Individuals who are unwilling to discontinue vitamin E food sources during the washout and intervention. This includes * Vitamin E containing supplements. * Sunflower seeds or sunflower oil. * All nuts. * Individual who are unwilling to discontinue topical cosmetic products during the duration of the study or unwilling to undergo a 2-week washout of topicals that are known to modulate collagen and pigment: * Retinoids such as tretinoin, adapalene, retinol, except as provided by the study. * Antioxidant ingredients such as vitamin C or vitamin E. * Pigment reducing agents such as hydroquinone, a retinoid, azelaic acid, kojic acid, pomegranate seed oil, and other similar agents per the discretion of the investigator, except for the retinol that is provided in this study. * Topicals that contain a nut oil or nut extract as part of their ingredient list.