Do not use If you are particularly sensitive to light. If you are pregnant, planning on becoming pregnant or breastfeeding. The risk to the foetus, neonate or pregnant women is unknown If you have Glaucoma. If you suffer from epilepsy If you are currently using medication that can cause skin sensitivity to light When sleeping, walking or driving. If you suffer from light induced headaches. To treat any other conditions apart from those listed in the indications for use. If you suffer from lupus erythematosus, photosensitive eczema or albinism. If you use it to treat lupus erythematosus, photosensitive eczema or albinism you may cause a severe skin reaction. If you suffer from any photosensitive disorder (sensitization to light). If you use the mask and you suffer from a photosensitive disorder you may cause a severe skin reaction. If you are taking any medication that can cause photosensitivity. If you use the mask and you are taking any medication that can cause photosensitivity you may cause a severe skin reaction. If you suffer from any genetic conditions of the eye. Photosensitivity is a common side effect of various medications. These can include certain antibiotics, chemotherapy drugs, and diuretics. If you are unsure about any medication you may be taking, consult your healthcare provider. If you are taking any medication that can cause photosensitivity. If you are taking any medication that can cause photosensitivity you may cause a severe skin reaction. Photosensitivity is a common side effect of various medications. These can include certain antibiotics, chemotherapy drugs, and diuretics. If you suffer from any diseases that involve the retina of the eye, (such as diabetes) If you suffer from light induced headaches and or Migraines If you use Isotretinoin (Anti-Acne), also known as Accutane in the last 5 days there is a small chance of a light reaction. If you are taking any medication that is listed or that fall under the these categories, Anti-Arthritic, Immunosuppressant, Quinidine, Anti-Cancer, Anticonvulsants, Antifungals, Anti-histamines, Anti-hypertensives, Anti-malarial, Anti-psychotics, Anti-retroviral, Anti-viral, Cardiovascular, Lipid regulators, Non-steroidal anti-inflammatory Analgesics, Sedatives,Acne Skin agents such as Isotretinoin/ Tretinoin topical or Tazarotene Hair Skin agents such as Minoxidil (Rogaine) If you are unsure about any medication you may be taking, consult your healthcare provider.