yeast shampoo

Usage guidance varies by product: some listings allow daily or weekly use, others recommend using the product only two times per week, and one describes a twice-weekly schedule. Follow the specific product label for exact frequency.

Labels vary: some formulations are described as suitable for all hair types or for normal hair, and at least one is noted as gentle enough for color-treated, chemically processed, or gray hair.

Warnings vary by listing; examples include directions to supervise use in one listing and advice to consult a doctor before use if you have a medical condition in another listing. Follow the product label for full precautions.

2-in-1 options are described as having added conditioning properties to help leave hair soft, smooth, and manageable while providing cleansing and antifungal action.

They advertise cleansing away dead skin cells and buildup to reduce flaking and prepare the scalp for healthier hair; some listings list basic cleansing as a primary purpose.