Riverdale's Lili Reinhart reveals alopecia diagnosis

Lili Reinhart, American actress, reveals alopecia diagnosis on TikTok.

Shares video of red light therapy during a major depressive episode.

Alopecia involves the immune system attacking hair follicles, causing hair loss.

Predominantly affects the head and face, impacting up to 6.7 million people in the U.S.

Reinhart lip-syncs in the video, expressing the strain of enduring challenging situations.

Caption emphasizes the significance of red light therapy for alopecia and mental health.

Despite no recognized cure for alopecia by the National Institute of Health, red light therapy is reported to stimulate hair growth, as per the Hollywood Reporter.

Reinhart, known for "Riverdale," openly discusses struggles with mental health.