Nghiên cứu xây dựng công thức kem chống nắng tự nhiên với titan dioxid và kẽm oxid

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Tác giả: Thị Bích Dương, Chí Toàn và Huỳnh Ngọc Trung Dung Nguyễn, Thùy Dương Nguyễn

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Nghiên cứu khoa học và Phát triển kinh tế, 2023

Mô tả vật lý: tr.211-220

Bộ sưu tập: Metadata

ID: 380512

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Sử dụng kem chống nắng là một trong những biện pháp ngăn chặn tác hại của tia UV đối với da. Hiện nay, trên thị trường có nhiều loại kem chống nắng nhưng phần lớn được bào chế với các thành hóa học, sản phẩm từ tự nhiên còn hạn chế. Để góp phần đa dạng sản phẩm kem chống nắng và an toàn cho da, đề tài thực hiện với mục tiêu xây dựng công thức kem chống nắng từ titan dioxid và kẽm oxid kết hợp với các thành phần tự nhiên. Bằng phương pháp nghiên cứu thực nghiệm, thiết kế công thức bào chế với các thành titan dioxid, kẽm oxid phối hợp bơ hạt mỡ và dầu hạnh nhân cho kết quả sau: Kem chống nắng tự nhiên với công thức gồm: 2% TiO2 và 6% ZnO cùng 20% bơ hạt mỡ, 6% dầu hạnh nhân và 9% sáp ong có chỉ số chống nắng SPF là 50,6. Độ cảm quan: Sản phẩm có màu trắng đục, thể chất mềm, mịn, đặc và đồng đều. Độ pH của kem là 6,08. Sản phẩm không phát hiện vi khuẩn Staphylococcus aureus, Pseudomonas aeruginosa, vi nấm Candida albicans, vi sinh vật hiếu khí, các kim loại arsen, chì, thủy ngân, không gây kích ứng da, không ban đỏ và phù nề. Các chỉ tiêu cơ sở của sản phẩm đều đạt theo văn bản hợp chất số 07/VBHN-BYT ngày 16/3/2021, Thông tư quy định quản lý mỹ phẩm.The best way to prevent UV damage to the skin was to use sunscreen. There were many types of sunscreens, but they were formulated with chemical ingredients. Natural sunscreens were still less popular. So, the study was to develop a natural sunscreen formula from titanium dioxide and zinc oxide. By this experimental method, the natural sunscreen had been formulated with titanium dioxide, zinc oxide, shea butter and almond oil. The natural sunscreen with 2% TiO2, 6% ZnO, 20% shea butter, 4% almond oil and 9% beeswax were combined for a defined SPF value of 50,6. The product was milky white, soft, smooth, dense and uniform. The pH value was 6,08. S. aureus, P. aeruginosa and C. albicans, was not detected and aerobic microorganisms were below 102 cell/cfu. Heavy metals such as arsenic, lead, and mercury was not detected. The product did not damage the skin. The results also showed that this product followed the 7/VBHP-BYT circular on cosmetic management.

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