Red light therapy is promoted as a treatment for some common conditions, including:

Improve wound healing.

Reduce stretch marks

Reduce wrinkles, fine lines and age spots.

Improve facial texture.

Improve psoriasis, rosacea and eczema.

Improve scars.

Improve sun-damaged skin.

Improve hair growth in people with androgenic alopecia.

Improve acne.

Other medical conditions is red light therapy being promoted for:

To reduce cancer chemotherapy side effects, including oral mucositis.

To relieve pain and inflammation associated with ankle tendonitis, rheumatoid arthritis, carpal tunnel syndrome and osteoarthritis of the knee.

To prevent cold sores from herpes simplex virus from recurring.

Other conditions include: use in weight loss, cancer, cellulite removal or mental health concerns like depression, ADHD and seasonal affective disorder (SAD).