Seborrheic Dermatitis in Adults: Symptoms, Causes, and Care
Understand adult seborrheic dermatitis, its symptoms and causes, and care for the scalp, face, beard, chest, and skin folds.
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Beard, Skin & Scalp Care Guides
Articles and guides on beard, skin and scalp care from Dr. Eddie Valenzuela. Start with a guide below, or browse articles by subject.
Start with a Guide
Skin Conditions
Skin Concerns
Face & Beard Routine
Beard Growth
Greasy Hair
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Showing 1–12 of 32 articles
Seborrheic Dermatitis on the Body: Chest, Skin Folds & Belly Button
Recognize seborrheic dermatitis on the chest, back, skin folds, and belly button. Learn about similar rashes and care suited to each area.
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Seborrheic Dermatitis Prescriptions for the Face and Beard
Compare Zoryve foam, antifungals, and other prescriptions for facial and beard seborrheic dermatitis, including application and safety considerations.
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GLP-1 Medications and Beard Changes: Evidence and Next Steps
Understand hair-loss reports during GLP-1 treatment, the limits of beard-specific evidence, and practical steps for discussing new changes with your clinician.
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Peptides and Beard Growth: GHK-Cu Evidence
What peptide and copper-peptide research actually shows about beard growth, and where the evidence is still missing.
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Beard Oil vs. Moisturizer
Compare beard oil, moisturizer, conditioner, and balm. Choose for your skin and learn how to apply products beneath stubble or a fuller beard.
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Beard Dandruff and Swollen Lymph Nodes: When to Get Checked
Swollen neck nodes need a separate assessment from beard flakes. Learn about infections, other causes, warning signs, and follow-up.
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Fragrance-Free vs. Unscented: A Guide for Sensitive Skin
Understand fragrance-free, unscented, dye-free, and hypoallergenic labels, including masking fragrance and the limits of sensitive-skin claims.
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Dry, Flaky Skin Under the Mustache: Causes and Care
Compare dryness, product reactions, and dandruff beneath the mustache, with gentle care steps and signs that need a closer look.
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Dandruff Washing Frequency for the Scalp and Beard
Plan scalp and beard cleansing around dandruff treatment, hair texture, sweat, and skin comfort. Follow the directions for your medicated wash.
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Oily Dandruff vs Dry Dandruff
Quick answer: “Oily dandruff” and “dry dandruff” describe how scalp flakes look; they are not separate medical diagnoses. Greasy, clinging scale may fit dandruff or seborrheic dermatitis, while dry-looking flakes…
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Beard Washing Frequency for Everyday Care
Build a comfortable beard-washing routine around daily cleansing, sweat, and buildup. Learn when to adjust the routine and where dandruff treatment fits.
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