products are dermatologically tested, FDA-approved and cruelty free. They products are free from parabens, sulphates and silicones. Works effectively as a skin lightening agent. Enriched with anti-oxidants that moisturizes and promotes healthy skin. Gives lighter and even-tone complexion. How to use our derma roller with serum - Clean Face with normal water or spirit & Dry & you can apply numbing cream to avoid pain for 30 minutes & clean it 2) Apply Our FDA approved Hyaluronic combo Serum All over Face 3) The roller is moved across the area of skin to be treated in a series of sequential movements. 2) Press firmly but do not overdo this to avoid any unnecessary discomfort. 3) One way of using a roller is to imitate the points of a compass and roll it front, left, right and then backwards. This ensures even coverage without overdoing it. 4) Re- Apply coat of serum if required 5) Your skin will feel warm and tight after use and will have a reddish color similar to a case of mild sunburn. This is entirely normal and will ease within 24 hours. 6) Clean If any redness or bleeding & finally apply 1 more coating of serum all over face & wash face after 3 hour