lip freeze

Lipstick is a common lip cosmetic with a variety of effects and features.

**I. Historical development**

The history of lipstick can be traced back to 3500 BC, when the Sumerians, Egyptians and others began to use color-bearing mineral and plant pigments applied to the lips. Over time, lipstick continued to evolve, with the advent of organic dyes and eosin, among others, in the late 19th century, along with the invention of the screw-in lipstick container, as modern lipstick formulations and production took shape. Today, lipstick shades more diverse, more comfortable texture, and both beauty, moisturizing, nourishing and sunscreen and other functions.

**Two, product efficacy**
- **Giving tone**: can add a variety of colors to the lips, such as deep red, purple, rose, pink, peach, brown red, etc., to meet the aesthetic needs of different people, enhance personal temperament and charm.
- **Modify Lip Shape**: By applying lipstick, you can emphasize or change the contour of your lips, making them look fuller, more three-dimensional or delicate.
- **Moisturizing and nourishing**: Prevent lips from drying out, avoiding phenomena such as dryness, cracking and peeling, and keeping lips hydrated. Some lip balms also contain moisturizing ingredients such as lanolin and vegetable oils, which can effectively nourish the lip skin.
- **Sunscreen protection**: some lipstick has a certain sunscreen index, can resist UV damage to the lips, reduce lip pigmentation and aging.

**Third, the main ingredients**
- **Wax**: common carnauba wax, beeswax, etc., carnauba wax is less likely to melt, they can provide a solid form for the lipstick, so that the lipstick is easier to mold when using.
- **Oil**: including mineral oil, vegetable oil, lanolin, paraffin oil (petroleum jelly), etc. These oil components can increase the moisturizing degree of the lipstick, so that it can be applied to the lips more smoothly, but also can play a moisturizing effect.
- **Colorants**: Usually contain pigments or dyes, and in order to adhere evenly to the lips, the pigments must be finer particles. Some lipsticks with a shimmering effect may also contain mica, iron oxide, titanium dioxide and other ingredients. However, be careful, do not lick the lips attached to lipstick to prevent poisoning, and to often remove makeup to ensure lip health.

**Four, product classification***

Lipstick can be mainly divided into two kinds of classic lipstick and volatile lipstick:
- **classical lipstick**: does not contain volatile substances, the sealing requirements for packaging is relatively low, and its production process is similar to other lipstick.
- **Volatile lipstick **: generally contains volatile substances, can dry quickly after application, the formation of lasting color adhesion, but may require higher requirements of the packaging to maintain its stability.

In addition, there are lip balms with special effects or characteristics, such as:
- **Color-changing lipstick**: will change color according to the temperature and pH of the lips, presenting a unique and personalized color.
- **Pearlescent Lipstick**: contains pearlescent particles that give the lips a shimmering effect when exposed to light, increasing the three-dimensionality and gloss of the lips.
- **Sheer Lipstick**: Its main function is to moisturize the lips and provide a natural shine without adding visible pigmentation, making it suitable for those who are looking for a natural look or just want to provide basic care for their lips. Some men also choose to use clear lipstick to keep their lips healthy and comfortable.

**V. Application Method**

When using lipstick, first clean your lips, you can use a tissue to gently wipe off the dust and residual substances on the lips. Then, according to personal needs to rotate out the appropriate amount of lipstick, apply directly to the lips, you can start from the center of the lips to the sides of the application, to ensure that the color is uniform. For a more precise application, you can use a tool such as a lip brush. For some darker or brighter colors, you can use a lip liner to outline the shape of your lips before filling in the lipstick to prevent the color from spilling out.

When choosing a lipstick, it is important to consider factors such as your skin type, lip color, personal preference and the occasion. For example, for people with sensitive lip skin, it is best to choose lipstick with natural flavors and fragrance oil ingredients; for daily makeup, it may be more suitable for natural, light colors; while on special occasions, you can choose more vibrant and prominent colors to enhance the aura. At the same time, pay attention to choosing brands and products with reliable quality and good reputation to avoid using poor quality lipstick to cause damage to the lips.