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Glossary Sebumeter

device measuring skin's natural oil levels

A Sebumeter is a specialized device used to measure the amount of sebum, or natural oil, on the skin's surface. It works by using a small, absorbent film that is pressed against the skin to collect sebum, which is then analyzed to determine the oiliness level. This tool is particularly useful in dermatology and cosmetic science for assessing skin conditions and the effectiveness of skincare products.

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research EEMCO Guidance for the in vivo Assessment of Skin Greasiness

137 citations , January 2000 in “Skin Pharmacology and Physiology”

This review outlines the factors affecting skin greasiness and sebum production, highlighting measurement challenges but reports no new clinical findings; further research may guide sebosuppressive treatments for acne.

research Development and clinical evaluation of green tea hair tonic for greasy scalp treatment.

4 citations , February 2018 in “PubMed”

This study found that a hair tonic containing 2% green tea extract significantly reduced scalp sebum in 20 volunteers over 28 days without causing skin irritation, suggesting its effectiveness and safety for managing scalp greasiness.

research Correlation between sebum level and severity of male androgenetic alopecia

May 2023 in “Bali Medical Journal”

This study found a very strong positive correlation between sebum levels and the severity of androgenetic alopecia in men.

research Estudio de patrones de implantación pilosa frontal en la mujer española caucásica

10 citations , January 2013 in “Actas Dermo-Sifiliográficas”

Most white Spanish women have a widow's peak, and their hairline measurements could help in hair restoration surgery.

research Study of Frontal Hairline Patterns in Spanish Caucasian Women

4 citations , April 2013 in “Actas Dermo-Sifiliográficas”

This study found that hairline measurements in white Spanish women differ from those previously reported for American women, which may be important for hair transplantation evaluations in alopecia cases.

research Nudging hair shedding by antidandruff shampoos. A comparison of 1% ketoconazole, 1% piroctone olamine and 1% zinc pyrithione formulations

43 citations , October 2002 in “International Journal of Cosmetic Science”

This study found that 1% ketoconazole and 1% piroctone olamine shampoos increased hair shaft thickness and reduced hair shedding in men with telogen effluvium and androgenic alopecia associated with dandruff.

research Evaluation of biophysical skin parameters and assessment of hair growth in patients with acne treated with isotretinoin

37 citations , January 2013 in “Postepy Dermatologii I Alergologii”

This article discusses isotretinoin for severe acne vulgaris, noting its effectiveness but also highlighting significant side effects on skin, mucous membranes, and hair; it reports no new clinical results.

research 284 Backhousia citriodora leaf extract: A new active solution to control hyper-seborrhea for multi-ethnic skins

1 citations , September 2017 in “Journal of Investigative Dermatology”

This research observed that Backhousia citriodora leaf extract effectively reduced sebum production and improved sebum composition across different ethnicities, significantly decreasing skin oiliness and the likelihood of shiny skin when used in a cream applied twice daily for 28 days.

research Efficacy and Safety of EqualsTwo Oil Free Hair Oil in Pregnant and Lactating Women: An Open-Label, Single-Arm Clinical Study

July 2026 in “International Journal For Multidisciplinary Research”

In this study, researchers found that EqualsTwo Oil Free Hair Oil significantly reduced hair fall by up to 73.8% and improved hair strength, scalp condition, and growth cycle parameters in pregnant and lactating women over a 30-day period, without adverse effects.

research 283 Thermal imaging and trichoscopy for detecting inflammation in frontal fibrosing alopecia

September 2017 in “Journal of Investigative Dermatology”

This study found that infrared thermography might be a useful non-invasive tool to help diagnose frontal fibrosing alopecia by identifying active phases of the disease.

research 282 WITHDRAWN

September 2017 in “Journal of Investigative Dermatology”

This study found that stabilizing HIF1A in balding hair follicle cells shifted their metabolism towards glycolysis, reducing oxidative stress and potentially promoting hair growth.

research 285 A new scalp treatment for anti-ageing hair

September 2017 in “Journal of Investigative Dermatology”

In this study, the authors found that a botanical extract with anti-inflammatory and anti-oxidative properties stabilized hair loss and preserved natural hair pigmentation and strength over six months.

research 281 Phase I/IIa clinical trial for the treatment of androgenetic alopecia using intradermal injections of cultured autologous dermal sheath cup cells

September 2017 in “Journal of Investigative Dermatology”

This study found that intradermal injections of cultured autologous dermal sheath cup cells for androgenetic alopecia showed hair loss stabilization at 24 months without serious adverse effects and a sustained response in some participants.

research Changes in serum free testosterone, sleep patterns, and 5‐alpha‐reductase type I activity influence changes in sebum excretion in female subjects

10 citations , August 2014 in “Skin research and technology”

This study found that variations in sleep patterns, free testosterone, and 5-alpha-reductase type 1 activity are associated with changes in sebum excretion in women, which may contribute to variability in acne studies.

research Pharmakokinetik und Biokonversion von Dehydroepiandrosteron nach Dexamethason-Vorbehandlung bei Frauen mit dem Syndrom der polyzystischen Ovarien

January 2004 in “Online Publication Service of Würzburg University (Würzburg University)”

This study found that women with PCOS have higher activity of the enzyme 5alpha-reductase, which may contribute to their elevated androgen levels.

research Ketoconazole Shampoo: Effect of Long-Term Use in Androgenic Alopecia

92 citations , January 1998 in “Dermatology”

This study found that 2% ketoconazole shampoo improved hair density and anagen follicle proportion in androgenic alopecia similarly to minoxidil treatment, suggesting a potential role for Malassezia in inflammation.

research Hair Loss in Women

81 citations , March 2009 in “Seminars in Cutaneous Medicine and Surgery”

This review discusses the classifications, diagnostic methods, and treatment strategies for female pattern hair loss, but reports no clinical results.

research Specific dermatologic features of the polycystic ovary syndrome and its association with biochemical markers of the metabolic syndrome and hyperandrogenism

67 citations , February 2010 in “Acta Obstetricia et Gynecologica Scandinavica”

In this study, hirsutism in women with PCOS was strongly associated with hyperandrogenism and metabolic abnormalities, while acne and androgenic alopecia were not effective markers for hyperandrogenism.

research Functional analysis of the stratum corneum of scalp skin: studies in patients with alopecia areata and androgenetic alopecia

52 citations , December 2000 in “Archives of Dermatological Research”

This study found that the stratum corneum of scalp skin in humans has distinct functional characteristics compared to the facial skin and volar forearm, including higher hydration levels and intermediate epidermal turnover rates.

research Is seborrhea a sign of autonomic impairment in Parkinson's disease?

46 citations , November 1997 in “Journal of Neural Transmission”

Seborrhea in Parkinson's disease may be linked to hormones, not autonomic impairment.

research Age-Related Changes in Male Skin: Quantitative Evaluation of One Hundred and Fifty Male Subjects

40 citations , July 2013 in “Skin Pharmacology and Physiology”

This study reports that among men, skin surface hydration and pH change with age, but transepidermal water loss and sebum production show less variation.

research Topical ALA-Photodynamic Therapy for Acne Can Induce Apoptosis of Sebocytes and Down-regulate Their TLR-2 and TLR-4 Expression

37 citations , January 2011 in “Annals of Dermatology”

In this study, photodynamic therapy significantly reduced inflammatory acne lesions and sebum secretion, possibly by inducing apoptosis in sebaceous glands and down-regulating TLR-2 and TLR-4 expression.

research Female pattern hair loss, sebum excretion and the end-organ response to androgens

31 citations , October 2005 in “British Journal of Dermatology”

This study found that sebum excretion is not increased in women with female pattern hair loss, suggesting nonandrogenic factors may contribute to hair loss in some women without hirsutism.

research Effects of an oral contraceptive containing chlormadinone acetate and ethinylestradiol on hair and skin quality in women wishing to use hormonal contraception

6 citations , March 2012 in “Journal of the European Academy of Dermatology and Venereology”

This study found that 12 cycles of chlormadinone acetate in hormonal contraceptives significantly improved oily skin and hair quality, enhancing psychosocial well-being in healthy women.

research Effects of a complex mixture prepared from agrimonia, houttuynia, licorice, peony, and phellodendron on human skin cells

4 citations , December 2020 in “Scientific Reports”

This study found that a mixture of plant extracts significantly improved skin barrier function, reduced inflammation, and exhibited anti-aging effects in human skin cells.

research A systematic review of randomized controlled trials assessing phytochemicals and natural ingredients for skin and hair care

2 citations , July 2020 in “Journal of Applied Pharmaceutical Science”

This study examined the preservative and antimicrobial susceptibility of non-fermenting bacilli collected from beauty salon waste in Brazil.

research Sebum Production

1 citations , September 2016 in “Springer eBooks”

This article reports no new data; it describes the role of sebum in influencing the skin microbiome and epithelial tissues and discusses its altered composition during transit through the sebaceous duct.

research Fractional microneedle radiofrequency for photoaging and atrophic acne scar: a split-face clinical observation of two devices

July 2026 in “Lasers in Medical Science”

In this study, the Peninsula Timerevert Needle was found to provide effective treatment for skin photoaging and acne scars with less pain and shorter treatment duration compared to EndyMed, although it caused more bleeding.

research Associations of Sleep Quality and Perceived Stress with Skin, Scalp, and Hair Health Among 1,017 Chinese Women: A Cross-Sectional Observational Study

July 2026 in “Clinical Cosmetic and Investigational Dermatology”

In this cross-sectional study of healthy urban women in Shanghai, poor sleep quality and elevated perceived stress were linked to various self-reported dermatological issues and clinical signs, reinforcing the potential relevance of psychological factors in skin health.

research Novel prospectives of shikimic acid and Prunus mume extract for enhancing bioactivity on 5α-reductase and stability in cosmetic patches for acne treatment

January 2026 in “Frontiers in Natural Products”

This study found that combining shikimic acid with Prunus mume fruit extract significantly reduces type I 5α-reductase levels in testosterone-stressed skin sebocytes, surpassing the effects of shikimic acid or standard acne treatments alone, and shows promise for stable, non-irritating acne remedies in cosmetic formulations.