Steps: 1. Use the cleansing products to clean the face first. 2. Choose the appropriate needle according to the different types of blackheads or acne, then disinfect it with the medical alcohol. 3. Pierce or squeeze gently the blackheads or acne and remove dirt with a soft tissue or cotton swab to prevent a cross-infection. 4. Reuse the medical alcohol for disinfecting the needle in the last step. Specifications: Material: Stainless steel. Size(Approx): Blackhead remover tools total length range: 11.5-13.6cm/ 4.53-5.35inches. Blackhead remover set color: Silver. Storage box color: Black. Package: 1 x Blackhead Remover Set with Storage Bag. Warning: 1. Note: Only blackhead remover set with storage bag, other items are not include. This needle is sharp, be careful when used. 2. Due to the manual measurement, there may be small deviations.