All BESTOOL combs support 3-month Refund or Replacement. We reply all your inquiries with satisfying solution in 12h. With thicker brush pins and bigger gaps, you may give yourself a perfect scalp spa to release tension. There is no need to worry about crackinng during use as the wide tooth comb detangler is made thicker, well polished and well made. The hair comb is 9" long ,was made extra wide and large which can greatly prevent breakage and especially suitable for long thick and curly hair. No snags, no static, no frizz. BESTOOL wide tooth hair comb is anti-static and has a special wood scent as it is made of 100% sandalwood. Easy to distribute hair conditioners, oils, and detangle.