Park Slope Dermatology and Medi Spa is the private practice of Dr. Brigitte A. Holder. It provides a range of medical and cosmetic dermatology treatments, including Botox injections, laser-skin rejuvenation and hair removal, chemical peels and microdermabrasion. Pediatric dermatology is available to treat acne, skin irritations and rashes. Treatments aimed at reversing hair loss are also offered.