Sources starting with M

• Matta 2019 — Sunscreen Active Ingredients Absorption Study

  Matta 2019 measured plasma concentrations of sunscreen active ingredients under maximal-use conditions.

• Matta 2020 — Sunscreen Active Ingredients Absorption Study

  Matta 2020 measured plasma concentrations of additional sunscreen active ingredients after sunscreen application.

• Mayo Clinic — Bags under eyes

  AAD patient guide used for under-eye bags/puffiness self-care, including cold compresses, sleep elevation, salt, allergies, smoking, and professional-care boundaries.

• Mayo Clinic — Bags under eyes

  Mayo Clinic overview describing bags under eyes as mild swelling or puffiness, with causes including aging, fluid retention after waking or salty meals, lack of sleep, allergies, smoking, genetics, and medical conditions.

• MedlinePlus — Acne

  Public-health reference identifying blackheads as part of the acne/comedone family and summarizing basic care.

• MedlinePlus — Aging changes in skin

  MedlinePlus describes age-related skin changes, including thinner skin, reduced elasticity, and more visible lines or folds.

• MedlinePlus — Benzoyl Peroxide Topical

  MedlinePlus benzoyl peroxide drug information supports practical precautions for dryness, irritation, hair bleaching, and colored-fabric bleaching.

• MedlinePlus — Skin Pigmentation Disorders

  Public-health reference for pigmentation disorders and clinician-punt context.