“Red light therapy is my new best friend,” she wrote on TikTok.

You knowLili Reinhart.

And luckily, her admirable candor isn’t going away any time soon.

A closeup of Lili in a matching pants and blazer set with sheer sleeves

While some even shared their own treatments for the condition:

Sending love, Lili!

Watch her full TikTokhere.

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thank you for using your platform to bring awareness to this. i have alopecia and my health and depression make it worse. sending love

sending you mad love. As a kid, i had a babysitter whose younger sister was diagnosed and she was so beautiful. She radiated self love and I wound up wanting to wear wigs like her

welcome to the alopecia family! it's not that bad but i get the frustration

my hair is falling out from PCOS so i cannot fully relate but it's still not a good time, ugh sending love

i have androgenic alopecia and tbh i'm gods strongest soldier bc of it

welcome to the club, minoxidil, rosemary hair oiling, and scalp massages (and the injections from the derm sparingly) sending you love

alopecia is hard. i wear a topper because of mine

me in college thank you steroid shots

i started meds for hair loss a few months ago, it's rough out here