Inkless tattooing is also known as MCA Needling (multitreppanic collagen actuation), “Dry” tattooing, medical needling, and inkless needling. The treatment used to be performed dry, using only tattoo needles. However, due to legislation changes, this treatment now has to be carried out using a product, such as hyaluronic acid, or other serums suitable for needling. Performing the treatment with a serum allows vitamins and healing ingredients to be deposited deeper in to the skin, helping the skin to heal better, and faster.