<p>Features</p> <p> - Needle length: 0.2mm\/0.25mm\/0.3mm.</p> <p>- Color: black (handle)+purple (roller).</p> <p>- Material: medical-grade stainless steel (needle) and hard plastic (handle).</p> <p>- brand new and high quality 540-Needles Micro-needle Roller Medical Therapy Skin Care Tool.</p> <p>- A common cosmetic procedure for treating many conditions by stimulating collagen and elastin production.</p> <p>- Stimulate the collagen production.</p> <p>- Improve elasticity of skin.</p> <p>- Smoothen acne scars.</p> <p>- Promote skin rejuvenation and improve alopecia.</p> <p>- Mildly roll 10 times vertically and horizontally.</p> <p>- Can be used on all areas of the face, neck and body and scalp.</p> <p>- Can be used by yourself anytime at your personal convenience.</p> <p>- Different needle lengths have different usages:</p> <p>1. Home use: 0.2mm\/0.25mm\/0.3mm</p> <p>2. Clinical use: 0.5mm\/0.75mm</p> <p>3. Medical use: 1.0mm</p> <p>4. Physician use: 1.5mm\/2.0mm\/2.5mm\/3.0mm</p> <p>- Cleaning method</p> <p>1. Soak about 5~8 minutes with 75% alcohol.</p> <p>2. Using ultraviolet to disinfect for about 45 minutes.</p> <p>- Come with a transparent protective box for holding the TinkSky roller.</p> <p> Attentions</p> <p> - Do not force the roller into the skin but simply use mild pressure.</p> <p>- Roll obliquely at the same intensity covering the same areas in both directions (vertically and horizontally).</p> <p>- The roller cannot be overused as the needles will remain sharp for a prolonged time.</p> <p>- Not suitable for use onto the following skin conditions: active acne, eczema, rosacea, peonasis, servere solar karatosis and raised moles or warts.</p> <p>- Keep out of reach of children.</p>