<p>deva wulan:<br> <br> I believe that you would serve as an excellent reviewer of the manuscript, "The Effect of HPMC-Chitosan Concentration on Physical and Antioxidant Properties of Serum Pegagan Extract (Centella asiatica L. Urban)," which has been submitted to Jurnal Insan Cendekia. The submission's abstract is inserted below, and I hope that you will consider undertaking this important task for us.<br> <br> Please log into the journal web site by 2022-02-13 to indicate whether you will undertake the review or not, as well as to access the submission and to record your review and recommendation. The web site is <a class="contextUrl-style-class" href="https://digilib.stikesicme-jbg.ac.id/ojs/index.php/jic">https://digilib.stikesicme-jbg.ac.id/ojs/index.php/jic</a><br> <br> The review itself is due 2022-02-16.<br> <br> If you do not have your username and password for the journal's web site, you can use this link to reset your password (which will then be emailed to you along with your username). <a class="passwordResetUrl-style-class" href="https://digilib.stikesicme-jbg.ac.id/ojs/index.php/jic/login/lostPassword">https://digilib.stikesicme-jbg.ac.id/ojs/index.php/jic/login/lostPassword</a><br> <br> Submission URL: <a href='https://digilib.stikesicme-jbg.ac.id/ojs/index.php/jic/reviewer/submission?submissionId=953' class='submissionReviewUrl-style-class'>https://digilib.stikesicme-jbg.ac.id/ojs/index.php/jic/reviewer/submission?submissionId=953</a><br> <br> Thank you for considering this request.<br> <br> farach khanifah<br>farach.khanifah@gmail.com<br> <br> <br> <br> "The Effect of HPMC-Chitosan Concentration on Physical and Antioxidant Properties of Serum Pegagan Extract (Centella asiatica L. Urban)"<br> <br> Abstract<br> The use of pegagan (Centella asiatica L.) is an important spotlight in the development of pharmaceutical dosage forms, especially in the scope of cosmetic preparations. Pegagan (Centella asiatica L.) contains secondary metabolites such as flavonoids, phenolics, saponins, and steroids which are natural antioxidants from a plant. This study aims to be able to apply the benefits of pegagan (Centella asiatica L.) in the manufacture of pharmaceutical preparations in the form of facial serum made in three concentrations of HPMC as a gelling agent, namely 4%, 6%, and 8%. HPMC is a gelling agent that can affect the antioxidant value contained in topical preparations. The method in making face serum preparations of pegagan (Centella asiatica L.) extract utilizing the combination of HPMC with chitosan which both have the property of influencing the antioxidant properties of serum preparations made and measurement of antioxidant activity using the DPPH attenuation method as measure by UV-Vis spectrophotometry. The serum of pegagan (Centella asiatica L.) extract which has the best antioxidant activity is Formula 1 (F1) with an IC50 value of 110 μg/mL. F1, F2, and F3 are categories of IC50 values ​​which are included in the category of having moderate levels of antioxidant activity.</p><br/><p>The following message is being delivered on behalf of Jurnal Insan Cendekia. ________________________________________________________________________</p>