There are many home remedies. 1. Drink enough water. If you are from the tropical countries, 2.5-3 litres a day 2. Pure coconut oil helps to remove marks and scars. If you have oily skin wash it frequently 3. Turmeric along with cream of milk or any other emolient may be helpful
Test and see which one suits you better Do it for long term to get desired results.
1. Eat less salt 2. Shampoo your hair very frequently 3. Do not apply oil in your hair or any kind of oily lubricant in your face. 4. Make thick paste of neem leaves, Tulsi leaves and milk, and apply it in your face or place where the acne is for 15 minutes and then wash off. Test and see which one suits you better