Is it OK to start on .1 percent of Retin A (Tretinoin)?

Hello, I'm a 41 year old women. Asked my family dr. If I could start on a low dose of Tret. She is a family physician. Wasn't sure if I needed a referral to a derm. Or if she could do it, She had het RN. prescrib/order .1 percent for me, without telling me. Worried that the .1 will burn my already slightly dry sensitive skin? Have acne, but hormonal. Just want to smooth the texture a few fine lines that i'm noticing getting a bit deeper.

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