Big acne are called acne rosacea. Homoeopathic treatment is for sure for this conditions.
Next Steps
You can consult online for internal Homoeopathic treatment and external pure herbs to avoid scars.
Health Tips
Avoid oily stuffs, junk foods, chocolates, high calories etc. take a brisk walk of 20 mins in morning. Take minimum 3 lts of water per day. avoid medicated soaps and use neutral face wash.