Dermatological Effects of Different Keratolytic Agents on Acne Vulgaris
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Clin l of ica a l T n r r i u a l o s J Alodeani, J Clin Trials 2016, 6:2 Journal of Clinical Trials DOI: 10.4172/2167-0870.1000262 ISSN: 2167-0870 Research Article Open Access Dermatological Effects of Different Keratolytic Agents on Acne Vulgaris Essa Ajmi Alodeani* College of Medicine at AD-Dwadmi, Shaqra University, Saudi Arabia *Corresponding author: Essa Ajmi Alodeani, College of Medicine at AD-Dwadmi, Shaqra University, Saudi Arabia, Tel: +966 55 075 9042; E-mail: [email protected] Received date: March 24, 2016; Accepted date: April 18, 2016; Published date: April 25, 2016 Copyright: © 2016 Alodeani EA. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Abstract Acne vulgaris is a chronic inflammatory skin disease; it's one of the most common skin disorders and affects mainly adolescents and young adults. Keratolytic agents are widely used in treatment of acne from several years. In this study we aimed to evaluate and compare the cutaneous response of different keratolytic agents in management of acne vulgaris. Ninety patients were selected among those attending the outpatient dermatology clinic in AD- Dwadmi hospital during the period from October 2015 to February 2016. The selected patients had different forms of acne vulgaris, papulo-pustular, comedonal and post acne scar. Three types of keratolytic agents were used, glycolic acid 50%, salicylic acid 20% and jessner solution. In papulopustular lesions, the three agents were effective with non-significant difference between them; however, there was more excellent results with jessner solution (70 % of patients) then glycolic acid (50%) and lastly salicylic acid (40%). According to the clinical efficacy of used keratolytic agents in comedonal lesions , all lines were found to be effective and there was non-significant difference between the 3 studied groups, however there was more excellent results with salicylic acid (80%) then glycolic acid (60%) and lastly Jessner solution (50%). According to the clinical efficacy of all keratolytic agents in acne scar lesions, there was significant difference between the 3 studied groups. Both jessner and salicylic acid were non effective, however glycolic acid was moderately effective (30% showed excellent results and 40% showed good results). Minimal complications were noticed with all the agents used. More erythema was recorded with jessner solution. However there was significant difference between all keratolytic agents as regards the incidence of visible exfoliation where glycolic acid showed least visible exfoliation (only 40% of cases) followed by jessner solution (66.7%) and lastly salicylic acid (80%). Keywords: Acne vulgaris; Salicylic acid; Glycolic acid; Jessner There are five main alpha hydroxy acids, which is a group are known solution as “fruit acids”. Glycolic acid (pKa 3.83) is the smallest molecule produced from sugar cane. So, it is the best to penetrate the epidermis Introduction and it has the greatest utility with valuable keratolytic action [7]. Lactic, malic, tartaric and citric acids are also used and comes from Acne vulgaris is chronic inflammatory skin disease; it's one of the sour milk, tomato juice, grapes, and citrus fruits respectively. Glycolic most common skin disorders. The presence of facial and shoulder acid is used to increase collagen, mucopolysaccharide, and hyaluronic lesions, pustules, pimples and sometime abscess accompanied by acid production and increase skin thickness by concentrations range disease can produce a psychological burden on the patients [1]. from 20% to 70% either in the free acid form or in the partially Combination of several factors such as hormonal changes, excessive neutralized form. Glycolic acid is effective in treatment of production of sebum and accumulation of exfoliates; allow bacterial inflammatory and non-inflammatory lesions of acne due to its growth resulting in the inflammation of the skin [2]. Acne affects antimicrobial and antioxidant action, also it can correct the mainly adolescents and young adults, with up to 90% of adolescents hyperkeratinization found in acne [8]. affected by acne at some stage. In addition, 5% of adults suffer from persistent or late onset acne [3]. Regarding to the prevalence of acne, Jessner solution is prepared by Max Jessner and composed of 14% studies show that more than 20% of adolescents with acne seek help salicylic acid, 14% lactic acid, and 14% resorcinol in 95% ethanol. The from medical professionals. Instead, individuals either do not treat solution is stable for up to 6 months, but due to salicylic acid their acne or self-treat with over the counter products [4]. photosensitivity it must kept in amber glass containers. The presence of salicylic acid and resorcinol gives the solution keratolytic and anti- Salicylic acid belongs to β-hydroxy acids Pka3 which is most widely microbial activity also, lactic acid provide epidermolysis action so, the used in common skin disease like acne, psoriasis, warts, corn and solution suitable for comedonal acne, post-inflammatory calluses. It used mainly for its keratolytic, bacteriostatic, fungicidal, hyperpigmentation, mild melasma, and photoaging [9]. and photoprotective properties by different concentrations vary from 0.5% to 60% in topical preparation [5]. It exerts its function by reduce The aim of this study was to evaluate and compare the cutaneous the rate of keratinocyte proliferation and inhibits cholesterol response of different keratolytic agents in management of acne sulfotransferase enzyme which is responsible for cholesterol sulfate vulgaris. formation within keratinocytes, also salicylic acid directly solubilizes the stratum corneum by dissolving the intercellular cement [6]. J Clin Trials Volume 6 • Issue 2 • 1000262 ISSN:2167-0870 JCTR, an open access journal Citation: Alodeani EA (2016) Dermatological Effects of Different Keratolytic Agents on Acne Vulgaris. J Clin Trials 6: 262. doi: 10.4172/2167-0870.1000262 Page 2 of 8 Patients and Methods Salicylic acid 20%: 20 gram of salicylic acid crystals were dissolved in 95% alcohol to form 100cc of 20% solution (wt./vol.) and saved in Patients dark amber containers. Application: The skin was degreased as mentioned above and Ninety patients with acne vulgaris were selected among those salicylic acid was applied using square cotton gauze starting with attending the outpatient dermatology clinic in AD-Dwadmi hospital forehead and cheeks then chin, nose and lower eyelids within 30 during the period from October 2015 to February 2016. The selected seconds. At that time, patient was suffering from a stinging and patients had different forms of acne vulgaris include papulo-pustular, burning sensation which increased during the next 2 minutes, reached comedonal and post acne scar. patients who had history of maximum at 3 min and then rapidly decreased to baseline over the photosensitivity, keloid formation, poor wound healing, immuno- next minute; this is considered the end point. After application of suppression, kidney or liver disease, recurrent herpes simplex, , salicylic acid it leaves white precipitate on the surface of the face which dermabrasion or isotretinoin therapy in the past year were excluded called salicylic acid frost due to evaporation of hydroethanolic vehicle from this study. The selected 90 patients were divided into 3 groups so, penetration of the active agent is diminished. At this point, the according to the used keratolytic agents, each group contains 30 agent causes a superficial anesthesia to light touch and the patient is patients as follows: instructed to wash the face with water. • Group I: This group include 30 patients treated with glycolic acid Jessner solution: 14 gram of resorcinol, 14 gram of salicylic acid, and 50%. 14 ml of 85% lactic acid mixed in enough 95% ethanol to bring the • Group II: This group include 30 patients treated with salicylic acid quantity to 100 cc and saved in dark amber containers. 20%. • Group III: This group include 30 patients treated with jessner Application: The skin was degreased as mentioned above and the solution. solution was applied rapidly covering the entire face starting with forehead then cheeks followed by the nose then upper lip and chin According to the predominant acne lesion, each group was within 30 seconds with a cotton applicator. If no frost appears a second subdivided into 3 subgroups as follows: coat of the solution was applied until frost appeared. • Ten patients with predominate papulo-pustular lesions. Post application instructions: The patient was instructed to avoid • Ten patients with predominate comedonal lesions. extensive sun exposure, prevent the use of any topical preparations • Ten patients with acne scar lesions. except the sunscreens or moisturizers, wash the treated area very carefully two times daily with non-irritating soap and male patients Methods could shave after 3 days from the session. Medical history was taken from each patient to complete the The results were evaluated by clinical investigator during the eight exclusion criteria mentioned above. sessions and based on evaluation of efficacy of treatment and beginning of improvement were encountered through doctor opinion, Clinical examination was done for each patient and the numbers of where the mean value of two different physicians opinions in percent lesions were evaluated after