Yes, aloe vera helps prevent acne. Aloe vera does have potent skin healthy property. Aloe vera also used in herbal medicines.

Researchers said that aloe vera contains saponin, anti bacterial, anti fangal, anti inflammatory properties which is really good for acne.

Aloe vera is rich vitamin A,C and E which are antioxidants. Which can cause premature cell death and lead to any number of issues including acne.

I was used aloe vera and I m very sure that the aloe vera is good for recent acne heal without leaving bad of marks.

I have personally used aloe vera with good results. I was used it for 3 weeks. I use it 2 times a day. The older scars was fading away but taking longer to completed fade. After 3 weeks I feel like my skin was tightning and very smooth and clear.