Making a moisturizing lactic acid face mask at home is easy. Your main ingredient is actually low-fat plain yogurt. Yogurt contains exfoliating lactic acid, which are enzymes that eat away at dead skin cells. Yogurt also contains probiotics, or beneficial bacteria, which helps in acne prevention.
Here's a few other ingredients you can add to your face mask:
Honey ~ Antibacterial. Contains Vitamin B & Zinc. Moisturizing
Green Papaya Powder ~ Contains the AHA Enzyme Papain, which exfoliates
Avocado ~ Beneficial Moisturizing Oils & Fatty Acids