Important Note 2: For external use only. Please conduct a forearm skin patch test prior to facial use to test for allergic reactions or sensitivity. Works best when mixed with Apple Cider Vinegar. Important Note: Do not leave clay mask on skin longer than 5-10 mins for sensitive skin; this will reduce redness/drying. Slight redness of skin is normal and will usually disappear in about 30 mins. Product does not come with an inner seal. Laser printed lot numbers and expiration dates on bottom of jar. Shrink-wrapped with a non-tear Calcium Bentonite Clay security sticker on the lid. Aztec Secret Indian Healing Clay is a deep pore cleansing facial, hair and body mask.