I have been using Retin A for 2 1/2 months & my acne and hyperpigmentation has gotten worse. Should I stop using the product?

Tretinoin causes surface drying and sun sensitivity only. It wil not effect internal organs. Theoretically it should not be used in a pregnant woman but it's absorption is minimal. 

Topical Retin-A (generic name: tretinoin) has not been shown to cause hair loss, and has in fact been shown in some studies to help with hair growth when applied directly to the scalp in combination with other medications such as Rogaine. But there is no evidence to suggest that facial...

Thank you for your question. Using retin-a, or other retinoic acids cannot cause conjuctivitis as this is caused by a bacteria. Derivatives of vitamin a (retin-a, etc), however, can cause irritation to the skin, especially the delicate eye area. My best advice would be to apply outside of the...