Are you meant to apply SPF to the hairline when using tretinoin along the hairline?
    Treatment 9/22/2024

    At a glance
    In this question or advice post, the primary subjects mentioned are
    💧 tretinoin (topical) nightly
    the tone is 😐 neutral.

    Other terms

    Apply tretinoin at night and minimize sun exposure. Use sunscreen as a last resort due to its messiness and need for frequent reapplication.
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