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GlossaryRaman spectroscopy (Raman analysis)

technique using laser light to analyze molecular vibrations

Raman spectroscopy is a technique used to study the vibrational, rotational, and other low-frequency modes in a system. It involves shining a laser on a sample and analyzing the scattered light to gain information about the molecular composition and structure. This method is valuable in various fields, including chemistry, biology, and materials science, for identifying substances and understanding molecular interactions.

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research Formaldehyde Replacement with Glyoxylic Acid in Semipermanent Hair Straightening: A New and Multidisciplinary Investigation

23 citations , June 2014 in “International Journal of Cosmetic Science”

Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.

research Raman Spectroscopic Analysis of L-Phenylalanine and Hydrolyzed Eggwhite Protein Penetration into Keratin Fibers

12 citations , June 2011 in “Journal of applied polymer science”

L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.

research Conformational Differences in Protein Disulfide Linkages Between Normal Hair and Hair From Subjects With Trichothiodystrophy: A Quantitative Analysis by Raman Microspectroscopy

53 citations , March 2006 in “Biopolymers”

TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.

research The Anti-Flyaway/Frizz Effect by Inducing the Alpha-Helical Structure Transition of Hair

October 2024 in “Cosmetics”

ATG effectively reduces hair frizz without damaging hair strength.

Hyaluronic Acid: Elucidating Its Penetration Into and Effect on Hair Fibers Using Confocal Raman Spectroscopy and Biometric Techniques

research Hyaluronic Acid: Elucidating Its Penetration Into and Effect on Hair Fibers Using Confocal Raman Spectroscopy and Biometric Techniques

January 2024

Hyaluronic acid in shampoo penetrated hair well, reduced frizz, and improved hair strength and moisture.

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community Oral minoxidil is not an option anymore

in Minoxidil 42 upvotes 1 year ago

A user can't refill their oral minoxidil prescription due to it being out of stock and is seeking alternative hair loss treatments. Suggestions include finding it at another pharmacy, ordering online, using topical minoxidil orally, and considering finasteride or dutasteride.

community Finasteride 8 months progress !

in Progress Pictures 596 upvotes 2 years ago

User "likitiiki" shared 8-month progress using only Finasteride for hair loss. Many users praised the results, while others discussed their own experiences and dosages.

community 0.5mg Dutasteride promotes more “regrowth” than 5mg oral Minoxidil

in Research/Science 117 upvotes 2 years ago

Dutasteride promotes more hair regrowth than Minoxidil. Users discuss combining treatments for better results and share personal experiences with side effects.

community Why don’t people just just DUT instead of FIN?

in Finasteride/Dutasteride 48 upvotes 2 years ago

The conversation discusses the use of dutasteride (DUT) versus finasteride (FIN) for hair loss treatment, with some users preferring DUT for its effectiveness while others choose FIN due to its approval status, better long-term data, and lower risk of side effects. Users share personal experiences with both medications, including side effects and effectiveness.

community 2 months on topical 5% min+ 0.1% fin

in Progress Pictures 377 upvotes 2 years ago

A user shared their progress after using a topical treatment combining 5% Minoxidil and 0.1% Finasteride for two months to address hair loss at the temples. They apply 5ml nightly without side effects and plan to switch to a different brand soon.

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