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Doctor insights on: Retinol Test

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My free retinol vitamin a blood test came back high. Normal levels are 30-78. Mine was 104. Is this a problem?

My free retinol vitamin a blood test came back high.  Normal levels are 30-78.  Mine was 104.  Is this a problem?

Depends: If you are taking supplements, cut back some. Also check vitamin d levels to make sure they are not too low. A and d are competitively absorbed. Taking high doses of d can theoretically inhibit absorption of vitamin a. ...Read more

Dr. Lourdes Margarita Landron-Garcia
422 doctors shared insights

Vitamin A (Definition)

Vitamin A helps form and maintain healthy teeth, skeletal and soft tissue, mucous membranes, and skin. It is also known as retinol because it produces the pigments in the retina of the eye. Vitamin A promotes good vision, especially in low light. It may also be needed ...Read more


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Best OTC retinols p?

Roc products: These are onderful and not as irritating. Always apply 30 minutes after washing. ...Read more

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Does retinol expire?

Retinol: Most topical medications have an expiration date but are still effective months to years after they have expired. ...Read more

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What is the use of retinol?

What is the use of retinol?

Skin rejuvenation: Retinol, as well as other skin treatments like alpha-hydroxy acids and vitamin c, all work to increase "skin turnover." your skin cells are constantly regenerating and sloughing off. This "turnover" slows as we age. That's why a baby heals a cut so fast and senior citizens take weeks to heal a skin injury. Retinol speeds the regeneration process, giving your skin a fresh, younger look. ...Read more

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Is it possible to overuse retinol?

Is it possible to overuse retinol?

Refractive index: The easiest explanation is that human eyes are "built" to work in air. Water bends light waves more than air does, and our eyes need a layer of air in front of them in order to focus. That its why a pair of goggles helps you see under water. ...Read more

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Can I use retinol-A 0.025 and clindamgcin together?

Can I use retinol-A 0.025 and clindamgcin together?

Sure they can help: acne, but if not clearing in 6-8 weeks see dermatologist for other prescriptions or treatment options ...Read more

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Has anyone ever had a retinol reaction or know any that has?

Has anyone ever had a retinol reaction or know any that has?

Yes: Burning, redness, itching, scaling and even thinning of skin are all known reactions to the topical application of retinol. Can also increase sun sensitivity. Taken internally during pregnancy, ti could cause birth defects. ...Read more

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What are the effects of retinol in pregnancy?

What are the effects of retinol in pregnancy?

Toxicity to infant: Retinol is a a vitamin a derivative is great for your skin but can theoretically be damaging to your developing infant. Better to wait to use creams that contain retinoids until after delivery (safe with breast feeding). ...Read more

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