Is it safe to use at-home microneedling/Dr. Pen if I replace tip & they're sterile?

It is never recommended or effective microneedling at home. For safe and effective results, it is best to see a licensed provider to perform this service.

Microneedling at home using a device like the Dr. Pen can be safe, provided that you follow certain precautions:
1. **Sterilization**: As you mentioned, always ensure that the device and its tips are thoroughly sterilized before each use to prevent infection.
2. **Correct Technique**: Make sure you know the correct technique for using the device. Improper use can cause skin damage. It's recommended to watch instructional videos or consult with a professional before trying it yourself.
3. **Skin Condition**: Avoid microneedling if you have active acne, eczema, or other skin conditions, as it can further irritate the skin and potentially cause scarring.
4. **Aftercare**: After microneedling, your skin will be more sensitive. Avoid sun exposure and use a good sunscreen. Also, apply a soothing serum or cream to help with healing.
5. **Frequency**: Don't overdo it. Microneedling too often can damage your skin. Depending on the needle length, you may need to wait anywhere from 1 week to 1 month between sessions.
While at-home microneedling can be effective, it's generally less powerful than professional treatments. If you're trying to treat deep scars or severe skin issues, you may get better results from a dermatologist or professional aesthetician. Always consult with a healthcare professional if you're unsure.

Great Question! It’s always best to consult with and treat in the office even if it’s for subtle anti-aging. Infections and complications are still possible even with proper care at home. I would recommend microneedling with an FDA cleared device and under the guidance of a licensed professional!