The Best Derma Roller Set: Skin Needling Roller contains 3 replaceable roller heads Small head with 240 needles for eye wrinkles. Medium head with 600 needles for face cells. Large roller head with 1200 needles for body such as stretch marks on bellyInnovation of Beauty Tool: Derma Roller is a great beauty tool to get your skin care lotion to absorb. These extremely fine needles gently penetrate the skin and help stimulate collagen and elastin production, which helps to result in smoother, firmer and healthier skinSafe, Painless and Low-Tech: - Short 0.25mm needles made of high grade stainless steel, helps lotions absorb better but non-invasive, painless, and do not penetrate living layers of skin. Whether you are completely new or experienced, Our micro derma roller are one of the safest optionLong-Lasting Skin Treatment: Use this face roller correctly and regularly with the high-quality topical products, your skin will perform a visible transformation A luminous, youthfully vibrant, and healthy-looking complexion. You will continue to look its most beautiful as you use itPERFECT PRESENTS FOR FRIENDS & FAMILY : derma roller 3 in 1 is great gift for mom, sister and your friends in special days. 3 different replacement heads with different functions makes your skin healthy glow and charming.