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All Journal Jurnal Riset Sistem Informasi
Iqrom Danang Putra
Universitas Amikom Purwokerto
Computer Science & IT Education Other

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CERTAINFACE SISTEM PAKAR BERBASIS WEB UNTUK IDENTIFIKASI TIPE KULIT WAJAH MENGGUNAKAN METODE CERTAINTY FACTOR SEBAGAI MEDIA EDUKASI PERAWATAN KULIT Refida Septiana Putri; Iqrom Danang Putra; Sitaresmi Wahyu Handani
Jurnal Riset Sistem Informasi Vol. 3 No. 3 (2026): Juli : Jurnal Riset Sistem Informasi
Publisher : CV. Denasya Smart Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69714/ahwges69

Abstract

Identifying facial skin type is a crucial first step in selecting appropriate skincare products, yet many individuals lack access to affordable dermatological consultations. This study developed a web-based expert system for facial skin type identification using the Certainty Factor (CF) method, implemented via the Laravel framework. The system diagnoses five skin types normal, dry, oily, combination, and sensitive based on 13 symptoms derived from dermatological literature. CF values ​​were sourced from published studies and serve as the system's Knowledge Base. Users input their level of confidence regarding the symptoms they experience; these inputs are combined with expert CF values ​​to calculate confidence scores for each skin type, with the highest-scoring type designated as the diagnosis result. The system also provides educational skincare articles tailored to each skin type. Development results demonstrate that the CF method effectively handles the subjectivity and uncertainty inherent in symptom-based diagnosis, enabling the system to serve as an initial screening tool for the public prior to seeking professional consultation.
Co-Authors Refida Septiana Putri Sitaresmi Wahyu Handani