It's not recommended to leave acne patches on overnight for the following reasons:
1. Leaving them on overnight may damage your skin: The ingredients in acne patches may harm your skin.
2. It's detrimental to acne recovery: Prolonged use of acne patches can draw out acne secretions, leaving residue on the skin and potentially leading to bacterial growth, which is not conducive to acne recovery.
3. Causes of acne: Acne is related to various factors, such as increased androgen secretion, abnormal sebaceous gland keratinization, bacterial infection, and increased sebaceous gland secretion.
4. Treatment methods for acne: Acne patients can use only topical medications. Under the guidance of a doctor, they can apply retinoid creams or take oral isotretinoin. Physical therapy can also be used. It's also important to keep the face clean, maintain good personal hygiene, and avoid high-sugar, high-oil diets and staying up late.