IP Library › Granted Patent US 11,363,868
Granted Patent B1
US 11,363,868 · App. 17/374,101 · Granted Jun 21, 2022

Curl-hair defining method

Inventor: Thalita Leite (Weymouth, MA)
A45D7/06A45D19/005A61K8/365A61K8/447A61Q5/04A61Q5/12
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Quick Facts
Patent No.
US 11,363,868
App. No.
17/374,101
Granted
Jun 21, 2022
Kind
B1
Abstract

A method of treating hair to reduce frizz involving the following steps: (i) prewashing the hair with water, (ii) applying a frizz reducing product to the hair using at least one of a brush and a spray, (iii) drying the hair in air, (iv) rinsing the hair with water, (v) drying the hair, (vi) applying to the hair a flat iron, and (vii) rinsing the hair with water. The frizz reducing agent used to treat hair is glyoxylic acid. The specific temperature the flat iron is set will depend on the specific hair type and degree of frizz.

Claims (10)

1. A method of treating hair to reduce a frizz comprising the steps of:

prewashing the hair with water;

applying a frizz reducing product to the hair using at least one of a brush and a spray, wherein the frizz reducing product is comprised of glyoxylic acid and mildly acidic being composed of a solution with a pH ranging from 0.08-3.0;

drying the hair in air; wherein the duration of drying the hair in the air is between 10 minutes and 20 minutes;

rinsing the hair with water;

drying the hair;

applying to the hair a flat iron with a specific temperature corresponding to curly hair, coily hair, wavy hair and loose hair and degree of frizz; wherein the temperature for coily hair is in the range of 210° C.-243° C.; wherein the temperature for wavy and curly hair is in the range of 176° C.-243° C.; wherein the temperature for loose hair is in the range of 176° C.-210° C.; wherein the temperature for a low degree of frizz is in the range of 176° C.-216° C. and the temperature for the high degree of frizz is in the range of 210° C.-243° C.; and

wherein the hair is separated into strands, wherein each strand is treated between 10 cm and 15 cm in length at a time, 3 to 10 times; and wherein the hair strands are treated by dividing a head into diagonal and horizontal sections of 0.31 cm to 2.54 cm in thickness and rinsing the hair with water after application of flat iron and drying the hair.

2. The method of claim 1 , wherein the hair is separated into strands, and wherein each strand to be treated is approximately 1.27 cm to 10.16 cm wide.

3. The method of claim 1 wherein the step of applying to the hair a flat iron is performed by resting the hair in between the heated sides of the flat iron and moving the flat iron down.