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Forensic Chemical Study on Human Hair: Identification of Hair Spray and Hair Growth Promoter Brands by Components Remaining on Human Hair

research Forensic chemical study on human hair. IV. Identification of brand of hair sprays and hair growth promoters by components remaining on human hair, and example of forensic hair examination.

7 citations , January 1990 in “Eisei kagaku”

This study suggests that analyzing hair care product components left on hair using GC and GC-MS may provide a more objective forensic comparison than morphological examination.

research A case of acquired trichorrhexis nodosa after applying new hair spray

2 citations , February 2013 in “Journal of the Saudi Society for Dermatology & Dermatologic Surgery”

This case study describes an acquired localized form of trichorrhexis nodosa resulting from physical-chemical trauma.

research Assessment of styling performance in hair gels and hair sprays by means of a new two-point stiffness test.

2 citations , December 2010 in “PubMed”

This study reported that a new two-point bending stiffness method effectively correlated with sensory assessments for hair styling gels but not for hair styling sprays, likely due to differences in polymer/hair composites.

research Effect of PEG 400 concentration on the physicochemical characteristics and stability of Persea americana seed oil nanoemulsion hair spray

August 2026 in “Pharmacy Reports”

This study found that a nanoemulsion hair spray formula with 25% PEG 400 showed promising physicochemical stability, but further research is needed to assess its colloidal stability and efficacy in hair growth.

research Nano Herbal Hair Spray: A Synergistic Blend For Hair care

April 2025 in “International Journal For Multidisciplinary Research”

This study formulated a nano-herbal hair spray using neem, fenugreek, and amla extracts combined with chitosan nanoparticles, finding it enhanced hair elasticity, breakage resistance, and provided antibacterial protection, suggesting it as an effective natural alternative to traditional hair treatments.

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Community Join

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community Hair thickening spray, The ceel

in Product 1 upvotes 1 year ago

A user discusses using a hair thickening spray similar to L'Oreal Root Touch Up, noting it provides volume and covers thinning temples but may cause hair to fall out when washed. They speculate the fallen hairs might have been loose already.

community Rx hair spray that contains 2% keto AND Keto shampoo? Too much?

in Ketoconazole 1 upvotes 9 months ago

Using a daily hair spray with 0.3% finasteride, 7% minoxidil, 2% ketoconazole, and biotin, along with a 1% ketoconazole shampoo once or twice a week, may be excessive according to the product's recommendations. The user is unsure about this regimen for treating androgenetic alopecia (AGA).

community long hair + minoxidil spray, how do you actually cover the whole scalp?

7 upvotes 3 weeks ago

The conversation discusses applying minoxidil for hair loss, with users suggesting using a dropper or oral minoxidil instead of spray for better scalp coverage. Techniques like using a comb or applicator comb are recommended for more effective application.

community Ro mane spray effectiveness for thinning hair

1 upvotes 8 months ago

Ro mane spray, containing finasteride, minoxidil, and tretinoin, is discussed as a topical treatment for thinning hair. Users believe it should be effective due to its ingredients.

community Topical melatonin spray to reduce hair shedding recommends?

1 upvotes 10 months ago

The user has been using topical melatonin spray with finasteride and dutasteride to reduce hair shedding but dislikes the lavender scent of their current spray. They are seeking recommendations for a scentless or better-smelling melatonin spray.

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Learn

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learn Hair Transplant

Hair transplantation moves DHT-resistant follicles from a donor area (back and sides of the scalp) into thinning or bald areas. The transplanted hair is generally permanent, though surrounding native hair can keep thinning.

Can I use hair products after a hair transplant? Avoid hair products for 2 weeks to 3 months after a hair transplant.

learn Hair Fibers

cosmetic product that temporarily makes hair appear thicker

How do you apply hair fibers correctly so they stay in place all day? Apply hair fibers to clean, dry hair and use a setting spray for better hold.

learn Valproic acid

How is valproic acid being explored differently in topical hair products compared to its traditional oral medical use? Topical valproic acid is being studied for local effects on the hair follicle rather than the whole-body effects of the oral drug. The human evidence is one small randomized 24-week trial of an 8.3% spray; no topical valproate product is approved for hair loss.
What is valproic acid, and how did it become a subject of interest in hair growth and alopecia research? Valproic acid is a prescription anticonvulsant that laboratory and mouse studies link to the Wnt/β-catenin hair-growth pathway; one small randomized trial of an 8.3% topical spray reported a hair-count gain over 24 weeks. Oral valproate is also a recognized cause of hair loss and a known teratogen.

learn PP405

Got small bald patches they say are from stress? PP405 sprays could help bring them back to life. PP405 is an experimental topical gel from Pelage Pharmaceuticals that inhibits the mitochondrial pyruvate carrier; its registered Phase 2 trial (NCT06393452) tested it once daily in 78 adults with pattern hair loss, for safety and tolerability. It is not approved, not for sale, and has not been studied in alopecia areata or stress-related shedding.

learn Overview

learn Hair Multiplication

extract, clone, and reinsert your own hair cells

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Experts

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SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas