Based on the reviews, the ESSENTIAL MASK [TEATREE CALMING MOISTURE] by MEDIHEAL is generally preferred for its calming and hydrating effects on acne-prone skin. Users have reported significant improvements in soothing irritation and calming blemishes, which are common concerns for acne-prone skin.

However, individual experiences may vary. Some users have noted that while the tea tree mask works well for them, others have found the madecassoside mask to be more effective for their specific skin needs. It's important to consider your skin type and specific concerns when choosing between the two.