Amla is well-known as a hair conditioner, but it also has valuable anti-dandruff properties. Amla can also be used in combination with tulsi or basil for action against dandruff and acne. Amla can be added to your home-made paste to cover grey hair. By itself, amla does not have the ability to dye hair; however, it can help tone down the red or brown colour of a henna-indigo hair colour. The extract of amla. This vitamin is essential in collagen production, a compound that keeps the skin looking young and elastic.