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Begin by parting your hair where you usually do. Which one of these illustrations looks most like your part right now?
Your part is a visible indicator of your hair density, which is a measurement of the total number of individual strands on your head.*
*Buontempo MG, Sperling LC, Alhanshali L, Shapiro J, Lo Sicco K. Establishing baselines of hair density measurements: Variations across ethnicity, scalp region, and measurement techniques: A systematic review. J Am Acad Dermatol. 2023 Dec;89(6):1294-1296. doi: 10.1016/j.jaad.2023.08.028. Epub 2023 Aug 19. PMID: 37604232.
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A widening part is one of the most common signs of decreased hair density, which is a measurement of the total number of hairs on your head.* Hair density can be measured by manually counting the number of strands per square centimeter or with a scalp camera known as a trichogram.**
*Buontempo MG, Sperling LC, Alhanshali L, Shapiro J, Lo Sicco K. Establishing baselines of hair density measurements: Variations across ethnicity, scalp region, and measurement techniques: A systematic review. J Am Acad Dermatol. 2023 Dec;89(6):1294-1296. doi: 10.1016/j.jaad.2023.08.028. Epub 2023 Aug 19. PMID: 37604232.
**Dhurat R, Saraogi P. Hair evaluation methods: merits and demerits. Int J Trichology. 2009 Jul;1(2):108-19. doi: 10.4103/0974-7753.58553. PMID: 20927232; PMCID: PMC2938572.
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How much shedding are you seeing daily on average?
A person typically loses up to 150 hairs per day.*
*Sinclair R. Hair shedding in women: how much is too much? Br J Dermatol. 2015 Sep;173(3):846-8. doi: 10.1111/bjd.13873. Epub 2015 Aug 19. PMID: 25914081.
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How would you describe your scalp?
(Select all that apply)
Your scalp’s current state can affect the health and condition of your strands.*
*Nayak BS, Ann CY, Azhar AB, Ling ECS, Yen WH, Aithal PA. A Study on Scalp Hair Health and Hair Care Practices among Malaysian Medical Students. Int J Trichology. 2017 Apr-Jun;9(2):58-62. doi: 10.4103/ijt.ijt_76_16. PMID: 28839388; PMCID: PMC5551307.
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A person typically has anywhere between 80,000 and 120,000 hairs on their head — and loses up to 150 hairs per day.* If you’re seeing any more shedding than that, you could be experiencing hair loss.
*Sinclair R. Hair shedding in women: how much is too much? Br J Dermatol. 2015 Sep;173(3):846-8. doi: 10.1111/bjd.13873. Epub 2015 Aug 19. PMID: 25914081.
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Your scalp’s condition, just like your skin type, is partially determined by how much sebum — your skin’s natural oils — it produces. Each person’s sebum levels are different, and help to dictate the health and condition of your strands.*
*Nayak BS, Ann CY, Azhar AB, Ling ECS, Yen WH, Aithal PA. A Study on Scalp Hair Health and Hair Care Practices among Malaysian Medical Students. Int J Trichology. 2017 Apr-Jun;9(2):58-62. doi: 10.4103/ijt.ijt_76_16. PMID: 28839388; PMCID: PMC5551307.
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