Are derma rollers good for men? Microneedling for men can improve skin tone and texture, diminish wrinkles and fine lines, soften acne scars, and reduce discoloration with minimal downtime. Plus, micro-needling offers men a safe and natural way to enhance their appearance because the treatment uses the body’s own healing mechanisms to produce results Why is derma roller bad? And without proper sterilization, derma rollers can harbor harmful bacteria causing infections, breakouts and can trigger skin conditions such as rosacea, which causes redness and bumps on the face; eczema, itchy inflammation spots; and melasma, brown patches on the skin