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This review highlights the benefits of henna (Lawsonia inermis) as a natural and safer alternative to synthetic hair dyes, which can cause skin irritation and other health issues. Henna's active dyeing component, lawsone, binds to hair keratin, providing an orange-red to brown color. Combining henna with other herbs like indigo, amla, and hibiscus can enhance color variety and appeal. While henna is safer, it has limitations in color range and stability. The review emphasizes the need for standardized evaluation and global regulatory harmonization. Future research should explore advanced formulations and clinical validation to establish henna as a widely accepted hair dye.

The study focused on creating and evaluating a herbal shampoo using rice water and willow bark extract as natural alternatives to synthetic ingredients. Rice water was chosen for its hair-conditioning and strengthening benefits, while willow bark extract was included for its gentle exfoliating and soothing effects on the scalp. The shampoo was tested for various properties, including appearance, pH, viscosity, foamability, spreadability, stability, and antimicrobial potential. The results indicate that the combination of rice water and willow bark extract effectively supports healthy hair and scalp care, offering cleansing, nourishment, and protection without the harsh effects of chemicals.

The study investigated the antibacterial effects of white jasmine leaf extract (Jasminum sambac L.) on Propionibacterium acnes, the bacteria responsible for acne. Using a true experimental design, the research measured the inhibition zone diameters at various concentrations of the extract. Results showed that the inhibition zones varied with concentration: 25 μg/ml resulted in a 10.34 mm zone, 50 μg/ml in 2.36 mm, 100 μg/ml in 9.75 mm, 250 μg/ml in 8.14 mm, and 500 μg/ml in 10.95 mm. Clindamycin, a known antibiotic, produced a 28.55 mm inhibition zone, while the negative control with distilled water showed no inhibition. The findings suggested that white jasmine leaf extract had some antibacterial activity against P. acnes, though less effective than clindamycin, and could be used as a learning resource in biology education.