In Vivo skin hydration and anti-erythema effects of Aloe vera, Aloe ferox and Aloe marlothii gel materials after single and multiple applications

单次和多次使用芦荟、非洲芦荟和马洛蒂芦荟凝胶后，其对皮肤的保湿和抗红斑效果的体内研究