Hello mam
As per the history you have mentioned it looks like acne vulgaris with secondary infection.. You try to fallow these steps which may help you
First avoid reasons for it like totally avoid curds,green chilly,brinzal, oil fried, nonvegitarian,milk and milk products.
Start taking lots of water,coconut water,sugarcane juice..
Avoid exposure to sunlight.
Now home remedy
Take Neem leaves wash clearly and crush it to get juice.Take 2 tsp twice daily b/f
Take half tsp termaric powder in hot water twice daily a/f.
Wash face at least 4 times in day with good soap and apply alovera gel.
Wen going to bed repeat the same..
If you fallow these for 15 days definitely you will appreciate the charge.
Causetaive factors are very important so fallow as I told.
Next Steps
if found good continue for 1 month and let me know will tell further steps.
Health Tips
Don't touch your face repeatedly it will cause secondary infection and may end up with scar which may not go..