February 2024 in “Universal Library of Innovative Research and Studies” Proper placement, balanced strands, and high-quality polymers improve hair extension retention.
September 2021 in “International Ayurvedic Medical Journal” Bhringraj capsule and oil with Nasya effectively reduce hair fall and related symptoms.
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February 2003 in “Archives of dermatology” 9-cis-retinoic acid showed some effectiveness in treating AIDS-related Kaposi sarcoma but had significant side effects at higher doses.
Ashwagandha root extract improves skin and hair health without side effects.
Two nutritional supplements improved hair growth and reduced hair loss in women with hair loss conditions.