Virgin coconut oil (VCO) and crude palm oil (CPO) are products of Indonesia’s natural wealth with significant antioxidant activity and potential as lip balm sticks to treat dry lips caused by sun exposure. This study aims to determine the formulation of lip balm stick preparations containing VCO and CPO that have sunscreen activity and acceptable physical characteristics. This study included the phases of testing, formulation of lip balm stick, sunscreen activity test, and evaluation of physical properties. The compositions were melted using a water bath, and the sunscreen’s efficacy was evaluated using UV-Vis spectrophotometry. VCO and CPO concentrations varied between 5%, 7.5%, 10%, 12.5%, and 15% (w/w). The F1 formula containing 5% VCO and 15% CPO (w/w) had the highest sun protection factor (SPF) value of 15.438. The evaluation of the formula activity test revealed that the higher the CPO content, the greater the sunscreen activity. Formula F1 has stable physical properties while stored at room temperature for 28 days. Formula F1 has a yellow color, chocolate scent, semi-solid consistency, homogeneous, 3.35 cm dispersion, 56 oC melting point, and 64-gram hardness. Formula F1 provides excellent sun protection and physical properties. It may be further evaluated as a lip balm stick sunscreen formulation for chapped lips.
Sampo merupakan salah satu sediaan kosmetik yang digunakan untuk keramas sehingga membuat rambut menjadi bersih dan mudah untuk diatur. Sediaan sampo terdiri dari berbagai komponen, dengan surfaktan merupakan kunci dari pembersihan rambut karena memiliki struktur molekul yang terdiri dari bagian hidrofilik dan lipofilik dengan kemampuan menurunkan tegangan permukaan antara air dan kotoran sehingga tersuspensi dalam fase air. Penelitian ini dilakukan untuk melihat pengaruh variasi sodium lauril sulfat (SLS) terhadap karakteristik sifat fisik sampo cair (organoleptik, pH, viskositas, dan bobot jenis). Sampo dibuat dengan metode emulsifikasi menggunakan minyak serai wangi (Cymbopogon nardus (L.) Rendle) dan ekstrak lidah buaya (Aloe vera) sebagai zat aktif. Pada awal formulasi, HPMC dikembangkan terlebih dahulu kemudian dicampurkan dengan fase air lain (berupa SLS, aloe vera, cocomide DEA, propil paraben, metil paraben, mentol, akuades). Fase air dan fase minyak (minyak serai wangi) dipanaskan pada suhu masing-masing 60-70˚C kemudian dicampurkan dicampurkan dengan magnetic stirrer pada kecepatan 800 rpm selama 15 menit. Hasil penelitian menunjukkan SLS berpengaruh signifikan (p<0,05) terhadap peningkatan pH, viskositas, dan bobot jenis dari sampo. Korelasi Pearson pada konsentrasi SLS terhadap pH yaitu R=0,926; terhadap viskositas yaitu R=0,973; sedangkan terhadap bobot jenis yaitu R=0,918. Kesimpulan dari penelitian ini adalah SLS berpengaruh besar pada peningkatan pH, viskositas, dan bobot jenis sediaan sampo berbasis minyak serai wangi dan ekstrak lidah buaya.
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