Under the age of 18

Diabetes

History of Keloids or an active Keloid scar in the brows 

Pregnant or breastfeeding

Glaucoma or taking blood thinning medicines (e.g., aspirin, warfarin)

Skin diseases such as psoriasis or eczema

Transmittable blood conditions like HIV or Hepatitis

Haemophilia

Healing disorders or uncontrolled high blood pressure

Skin medication such as Accutane or steroids

Active skin cancer

Undergoing radiotherapy or chemotherapy (consult your doctor)

Epilepsy

Pacemaker or major heart problems

Botox in the past one month