Can Tretinoin cause tanning even with sunscreen as sunscreen won't block 100% UV rays?

Tretinoin is a powerful medication used for acne, milia, and anti-aging benefits, but it does increase your skin's sensitivity to the sun, which can make you more prone to tanning or sunburn. Here are some important considerations:

Sun Sensitivity and Tanning:

Tretinoin and Sunscreen: While sunscreen is crucial when using tretinoin, it does not block 100% of UV rays. This means that you may still tan or burn slightly, especially if you are spending extended periods in the sun.
SPF and Reapplication: Use a broad-spectrum sunscreen with an SPF of at least 30, and reapply every two hours, or more frequently if sweating or swimming, to minimize UV exposure.
Managing Sun Exposure:

Protective Measures: In addition to sunscreen, wear protective clothing, a wide-brimmed hat, and sunglasses to shield your skin from the sun. Seek shade whenever possible, especially during peak sun hours.
Temporary Discontinuation: If you anticipate prolonged sun exposure, such as during a trip, you may consider pausing tretinoin use a week before your trip to reduce sun sensitivity. However, consult your dermatologist before making any changes to your treatment plan.
Alternative Strategies:

Timing of Application: Apply tretinoin at night to minimize sun exposure immediately after application.
Hydration and Moisturization: Keep your skin well-hydrated and use a good moisturizer to maintain your skin barrier, which can help reduce sensitivity.
Consultation with Your Doctor: Always discuss any concerns or potential changes in your treatment with your dermatologist, who can provide personalized advice based on your skin type and lifestyle.

By taking these precautions, you can enjoy the benefits of tretinoin while minimizing the risk of tanning and sun damage.