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GlossaryRaman spectroscopy

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 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 Raman Microspectroscopy of Hair Cuticle With Polarized Excitation: Problem of Protein Secondary and Tertiary Structure

January 2025 in “Journal of Raman Spectroscopy”

Polarized Raman spectra can reveal changes in hair keratin's protein structures.

Measuring Changes in Chemistry, Composition, and Molecular Structure Within Hair Fibers by Infrared and Raman Spectroscopic Imaging

research Measuring Changes in Chemistry, Composition, and Molecular Structure Within Hair Fibers by Infrared and Raman Spectroscopic Imaging

42 citations , January 2011 in “Journal of Biomedical Optics”

Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.

research Raman Spectroscopy and Electronic Microscopy Structural Studies of Caucasian and Afro Human Hair

25 citations , May 2019 in “Heliyon”

Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.

Investigation of the Cutaneous Penetration Behavior of Dexamethasone Loaded to Nano-Sized Lipid Particles by EPR Spectroscopy, and Confocal Raman and Laser Scanning Microscopy

research Investigation of the Cutaneous Penetration Behavior of Dexamethasone Loaded to Nano-Sized Lipid Particles by EPR Spectroscopy, and Confocal Raman and Laser Scanning Microscopy

21 citations , December 2016 in “European journal of pharmaceutics and biopharmaceutics”

Nano-sized lipid particles increase dexamethasone's skin penetration and create a reservoir in the skin layers.

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community Cheaper alternative to Roman spray?

in Product 2 upvotes 1 year ago

A user has had great results with a spray containing 6% minoxidil, 0.03% finasteride, and 0.25% tretinoin from Roman but is seeking cheaper alternatives with the same ingredients. They are looking for suggestions for more affordable sites or pharmacies.

community Stop supporting Keeps and Roman, they’re price gouging you

in Finasteride/Dutasteride 360 upvotes 2 years ago

The post discusses the high cost of hair loss treatments from companies like Keeps and Roman, and suggests cheaper alternatives like GoodRx. Users share their experiences with different providers, costs, and methods of obtaining finasteride, a common hair loss treatment.

community Anyone have experience using compounded Minoxidi spray that included tretinoin?

in Minoxidil 1 upvotes 8 months ago

The conversation is about incorporating tretinoin into a topical minoxidil routine for better hair loss treatment. The user is considering compounded minoxidil sprays with tretinoin from brands like Keeps and Roman.

community PSA: Stop overpaying for your Fin/Dut and get your meds for $20/year.

in Finasteride/Dutasteride 234 upvotes 1 year ago

Finasteride and Dutasteride can be obtained cheaply through Amazon One Medical with an Rx Pass subscription for $20/year. Users discuss various options and costs for hair loss treatments, including Blink Health and Mark Cuban's pharmacy.

community 28 Days on Oral Min and Vitamins Only

in Is this regrowth? 130 upvotes 1 year ago

The user is taking 2.5mg of oral Minoxidil and using Rosemary and Peppermint oil for hair regrowth, with no side effects reported. They are considering increasing the dosage to 5mg after three months and have been advised to include a dermaroller in their routine.

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