New Allergens for the 21st Century

The user experiences an itchy scalp and finds relief using shampoo and Zyrtec, which helps with inflammation. They are unsure if the issue is related to histamines or seborrheic dermatitis.

Tretinoin can irritate seborrheic dermatitis, but using it with a moisturizer on calm skin may help. Parallel Health's skin microbiome testing and phage therapy are suggested for persistent issues.

The user is experiencing irritation from using PG with RU58841 and is seeking alternative solutions like K&B in the UK. They report redness, itchiness, and flaky skin from the current treatment.

The conversation is about whether to use gloves when applying 5% RU58841 to avoid systemic absorption and if washing hands with water is sufficient. Users question the concern, noting it is applied to the scalp.

The user experienced severe scalp itching after using RU58841 and ketoconazole shampoo, despite trying moisturizing treatments. They suspect the issue is related to the propylene glycol in the vehicle and are seeking alternatives.

The user is experiencing scalp irritation from using RU58841 with a 70% ethanol and 30% propylene glycol vehicle and is considering switching to a less irritating vehicle, such as 30% ethanol with 70% squalane or emu oil. They are seeking feedback on the effectiveness and irritation levels of these alternative carriers.