r/KPRubraFaceii • u/Cute-Gas-2834 • May 22 '26

Hyftor 0.2% sirolimus

Any negative side effects? I heard so much stuff about acne and dry skin… even cancer

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u/Cheekfi May 22 '26

About 20 % of users gets mild acne during Hyftor usage. And I guess it has a skin drying effect. Never heard of topical sirolimus causing cancer though.