SINISTIN

Hair soaps

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FAQ hair care

What is the difference between solid shampoo and hair soap?
How long does it take to switch from conventional hair care products to solid hair soap and how can I accelerate the healing and regeneration of my hair?
How can hair soaps help with oily or brittle hair, itchy scalp and dandruff and even hair loss?
What other external factors are related to the health of my hair and have a positive effect on it?