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Research
5 / 1000+ resultsresearch Cuticular damage to African–American hair during relaxer treatments – A microfluorometric and SEM Study
Relaxer treatments damage African–American hair, with commercial products causing more harm than lab-made solutions.
research Quantifying Polymer Deposition on Hair Fibers by Microfluorometry
Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.
research Photodegradation of human hair: a microscopy study
UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
research Change in surface chemistry of the cuticle of human hair by chemical and photochemical oxidation
Oxidation changes human hair by breaking down fats and forming new acidic groups, affecting how it interacts with conditioners and cosmetics.
research Activation of Transient Receptor Potential Vanilloid-3 Inhibits Human Hair Growth
Activating TRPV3 stops human hair growth.
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5 / 1000+ resultscommunity Does pyri/kx826 degrade in exposure to bathroom light?
The conversation discusses concerns about RU58841 degrading when exposed to light and transferring pyri to a dark glass bottle to prevent this. The user keeps the pyri out for only two minutes before storing it in a dark place.
community Suggestions for a good precision scale
The conversation is about finding a precise scale for measuring melatonin. The user needs to add 5mg per 100ml and finds Amazon scales imprecise.
community 📈 Solving for very low dose topical finasteride titration intervals
The conversation discusses using very low dose topical finasteride to achieve specific serum DHT reduction percentages. It concludes that finasteride dosage increases linearly between 5-30% DHT reduction but requires exponential increases for reductions up to 70%.
community Napkin math: are we using 100x more topical finasteride than necessary?
Topical finasteride concentrations are likely much higher than necessary for effective follicular DHT suppression, with current standards being 100-1000 times above the theoretical minimum. Lower concentrations (0.001-0.0025%) might still work locally while minimizing systemic exposure.
community How to increase Pyri concentration from 0.5% to 1% wihout using more volume ( 2ml x 2 per say for example )
OP wants to increase pyrilutamide concentration from 0.5% to 1% while already using finasteride. Users suggest waiting for a commercial 1% solution and caution against using grey market products.