- Dr. Eddie Valenzuela
- December 30, 2024
Ingredients to Avoid in Shampoo: A Sensitive-Scalp Guide
Start with your skin’s needs, known allergies, and the complete ....
- Dr. Eddie Valenzuela
- November 18, 2024
Parabens in Kids’ Shampoo: Safety and Skin Sensitivity
Parabens protect shampoo from microbial growth, and choosing a formula for children requires considering the safety evidence, the complete formulation and individual skin ....
- Dr. Eddie Valenzuela
- October 4, 2024
Using Shampoo as Body Wash
Learn when a shampoo can serve as body wash, why the whole formula matters, and how Happy Cappy Daily and Medicated Wash ....
- Dr. Eddie Valenzuela
- September 2, 2024
Pyrithione Zinc and Cancer: Evidence and Safety
What the evidence says about pyrithione zinc and cancer, why EU cosmetics rules changed, and how hazard classification differs from rinse-off ....
- Dr. Eddie Valenzuela
- April 29, 2024
Skincare Ingredients to Avoid With Eczema
Learn which skincare ingredients can irritate eczema, which require a confirmed allergy, and how to choose a gentle cleanser and ....
- Dr. Eddie Valenzuela
- July 19, 2023
OTC Drug Labels: Active Ingredients, Monographs & GRASE
Over-the-counter medicines are sold without a prescription, and their Drug Facts labels explain use and precautions while monographs set category requirements rather than individual product ....
- Dr. Eddie Valenzuela
- July 19, 2023
Pyrithione Zinc for Seborrheic Dermatitis: Evidence and Expectations
Quick Answer Pyrithione-zinc shampoos can help control flaking and other scalp symptoms of seborrheic dermatitis. Clinical trials support symptom improvement, but results depend on the formulation and the person using it. Improvement does not mean a ....