Introducing the Hydra Roller 64 with a needle length of 0.5mm. This derma roller is designed to promote skin hydration and absorption of skincare products. The 64 titanium needles create microchannels on the skin's surface, allowing for better penetration of hydrating and nourishing ingredients. The 0.5mm needle length is suitable for enhancing product absorption and stimulating collagen production. Incorporate the Hydra Roller 64 into your skincare routine to achieve a more radiant and hydrated complexion.