April 2018 in “Selçuk Üniversitesi Tıp Fakültesi dergisi” Repeated PRP injections for hair loss can cause increased pain sensitivity.
August 2025 in “Scientific Reports” Itchy keloids on the chest are linked to more nerve fibers and substance P.
April 2020 in “Journal of The American Academy of Dermatology” Microneedling with platelet-rich plasma can cause temporary, painful lymph node swelling in some patients.
March 2025 in “Pain Physician” Cooling the skin before injections reduces pain for patients with hair loss.
9 citations
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January 2013 in “Acta dermato-venereologica” The conclusion is that "trichoknesis" should be recognized as a separate condition from trichodynia, characterized by itching instead of pain.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
2 citations
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March 2024 in “Pharmaceutics” The placebo microneedle stamp didn't penetrate skin and caused less pain, but blinding was only effective for those with low skin sensitivity.
April 2017 in “InTech eBooks” Many people with hair loss experience scalp pain known as trichodynia, but the causes are unclear and treatments vary.
January 2025 in “Journal of the Egyptian Womenʼs Dermatologic Society” Higher substance P levels may cause discomfort in hair loss patients.
1 citations
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February 2021 Ice packs and vibration devices can reduce pain during scalp injections.
26 citations
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December 2015 in “International Journal of Dermatology” Trichodynia is a painful scalp condition linked to hair loss and inflammation, often with anxiety, affecting more women and needing better treatment options.
5 citations
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July 1999 in “Journal of Anatomy” Methylene blue staining effectively reveals detailed nerve structures in rat snouts.
February 2013 in “Pediatrics in Review” The girl's symptoms suggest a complex condition that's hard to diagnose despite normal test results.
3 citations
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August 2019 in “Journal of The American Academy of Dermatology” PRP with microneedling is generally safe but can cause minor side effects like scalp itching, temporary hair shedding, and swollen lymph nodes.
PRP and microneedling are generally safe but can cause rare severe complications.
6 citations
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December 2016 in “Journal of Obsessive-Compulsive and Related Disorders” Adults with trichotillomania do not have different pain sensitivity to cold pressor pain compared to healthy individuals.
7 citations
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September 2018 in “Journal of cosmetic dermatology” A patient had painful swollen lymph nodes after a cosmetic skin and hair treatment, suggesting doctors should warn about this risk.
5 citations
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July 1999 in “Journal of Anatomy” Methylene blue staining effectively highlights detailed nerve structures in rat fur.
7 citations
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April 2019 in “Aesthetic Surgery Journal” Repeated use of platelet-rich plasma in rats caused increased pain sensitivity.
July 2023 in “Cosmoderma”
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.
September 2024 in “Journal of the American Academy of Dermatology” Most patients prefer clinics that play music during procedures.
November 2022 in “Pakistan Armed Forces Medical Journal” Topical liquid nitrogen reduces pain during PRP therapy but doesn't affect patient satisfaction.
13 citations
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April 2001 in “Journal of The American Academy of Dermatology” Using a vibrating device during injections can help reduce pain.
March 2024 in “Asian journal of medical sciences” Ring block anesthesia is the best method for PRP scalp injections due to low pain and high patient acceptance.
1 citations
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December 1997 in “Archives of dermatology” A 34-year-old woman had itchy black bumps on her face due to a condition called trichostasis spinulosa.
1 citations
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June 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The symposium highlighted the skin's role in sensing itch, pain, touch, and pleasure, and discussed new research and techniques for understanding and treating these sensations.
7 citations
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January 1998 in “PubMed” Hair loss can cause scalp discomfort.
41 citations
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April 2009 in “Journal of comparative neurology” P2X3-IR fibers are widespread in rat skin and likely help detect pain.
Scalp itching can be caused by various skin conditions, hair loss, allergies, or anxiety.