60 research outputs found
Efficacy and Tolerability of a Shampoo Containing Broad-Spectrum Cannabidiol in the Treatment of Scalp Inflammation in Patients with Mild to Moderate Scalp Psoriasis or Seborrheic Dermatitis
Scalp inflammation is commonly associated with scalp psoriasis or seborrheic dermatitis. It can aggravate the progression of androgenetic alopecia and cause troublesome itching and burning. Here, we evaluate the efficacy of a shampoo containing 0.075% broad-spectrum cannabidiol in 50 subjects with mild to moderate scalp psoriasis or seborrheic dermatitis.
Inflammation was assessed by evaluating the density of twisted/glomerular or arborizing vessels by trichoscopy using a 6-point scale at baseline and day 14. Symptoms of itching/burning sensation, clinical evaluation of erythema/scaling, overall tolerability, and subject satisfaction were evaluated using 10-point scales.
There were significant reductions in arborizing vessel/twisted capillary inflammation and scaling by day 14. Severity scores reduced from 2.3 ± 0.1, 2.6 ± 0.1, and 3.6 ± 0.1, respectively, to 0.5 ± 0.05, 0.8 ± 0.05, and 0.6 ± 0.05 (all
< 0.0001). Symptom scores of itching and burning also reduced significantly from 6.9 ± 0.1 to 4.5 ± 0.1 to 1.5 ± 0.05 and 1.0 ± 0.05 (both
< 0.0001). Severity of erythema and scaling was also significantly reduced from 5.5 ± 0.1 and 7.0 ± 0.1, respectively, to 1.3 ± 0.05 and 1.6 ± 0.05 (both
< 0.0001). Tolerability and subject satisfaction were both excellent. There were no significant differences in treatment effect, tolerability, or subject satisfaction between men and women.
Replacing current shampooing practices with a broad-spectrum cannabidiol-containing shampoo significantly reduces both severity and symptoms of scalp inflammation within 2 weeks, with excellent tolerability and treatment satisfaction in subjects with mild to moderate scalp psoriasis or seborrheic dermatitis
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Pili Torti as a Sign of Eyebrow Involvement in Frontal Fibrosing Alopecia
Frontal fibrosing alopecia (FFA) is a disease characterized by progressive band-like scarring alopecia involving the frontotemporal hairline and eyebrow hair loss. It affects mainly postmenopausal women. Trichoscopy features of FFA include absence of vellus hair, perifollicular erythema and scaling (peripilar casts), and absence of follicular openings. Trichoscopy of eyebrows in FFA patients shows tapered and broken hair, absence of follicular openings, black dots, and hair growing in different directions. We report a case of FFA with numerous pili torti in the eyebrows
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Provocative use testing of methyldibromo glutaronitrile in a cosmetic shampoo
Methyldibromo glutaronitrile (1,2‐dibromo‐2,4‐dicyanobutane, MDGN) is a component of Euxyl K400, a broad‐spectrum preservative increasingly used in cosmetics over the last 10 years. Contact allergy to MDGN is not uncommon, with leave‐on cosmetics and moistened toilet tissue being the most important sources. Rinse‐off products have rarely been reported to elicit allergic reactions in patients sensitized to MDGN and shampoos have only been implicated in hairdressers. To determine whether subjects sensitized to MDGN would react in a provocative use test with a shampoo containing the preservative, we asked 12 pre‐sensitized subjects to use a shampoo containing 0.02% MDGN for a period of 9–13 weeks. During this time, none of the subjects showed any skin reactions indicative of contact allergy. The results of this study provide evidence to support that a shampoo product containing 0.02% MDGN may safely be used by most individuals who are presensitized to MDGN
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Euxyl K 400: incidence of sensitization, patch test concentration and vehicle
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