Ingredients:
1. Oats powder 4 tsp,
powdered sugar 1tsp, 
turmeric powder 1/2 tsp.

Grind oatmeal and sugar. Mix both of it. Add turmeric powder. If you can get a special turmeric powder that is especially for cosmetic use is fine. Otherwise use normal turmeric powder. Add water to make a paste.
Clean your face with water. Apply clean cloth or tissue on face. Then apply a thin layer of almond oil. Put the above pack evenly on face. Keep it for 25 min. Then wash it off.
If you have bumps or acne on face please avoid almond oil. Also after applying this pack avoid direct sun exposure. . Apply this homemade pigmentation pack daily for few weeks till pigmentation goes.