Please read the profile before purchasing! Comments from those who haven't read the profile will be ignored and deleted. Instant purchase is OK. The box has a dent. There are no instructions. Please purchase only if you understand. Crystal hair removal device that can be used easily in 4 steps. - Product Name: Crystal Hair Removal - How to Use: 4 easy steps - Precautions: Not suitable for sensitive skin - Recommended frequency of use: Every 2-3 weeks Thank you for viewing.