I believe that girls have more than one Lipstick. Different lipsticks seem to be suitable for girls. Color-changing lipstick is also one of the lipsticks that girls like, and it will change the look of lipstick over time. But are you using the color-changing lipstick to understand the principle of color change? Let's reveal the principle of discoloration of color changing lipstick! Principle of color changing lipstick
An acid-base indicator is added to the color-changing lipstick, and the acid-base indicator can develop color according to the oral pH value of different people.
The skin of the average person's lips is acidic, so when the color-sensitive lipstick is applied, the acid-base indicator reacts with the acidic skin of the lips. When the temperature of the skin of the lips is higher, the faster the chemical reaction occurs, the faster the color will appear. And as time goes by, the look on the lips will be different.
Precautions for using lipstick
1. Don't forget to apply Lip Balm or lip balm before using lipstick to minimize the bad irritation of lipstick on lips.
2. Remember to wipe off the lipstick before drinking or eating. Although it is not good to accidentally swallow lipstick, it will damage your health if you don't pay attention for a long time.
3. Use a special lip cleansing oil to completely remove the lipstick. Remember to remove the lipstick with a cleansing oil after the end of the day to avoid residual chemicals on your lips.
The above is the principle of changing color lipstick. Are you clear? Although lipstick can add charm to girls, don't forget the above points when using lipstick. Be healthy and healthy at the same time.