There are two types of seamless underwear: silicone system and bio-gel. The glue in seamless underwear is self-adhesive and can be used repeatedly. Proper use of seamless underwear will not cause harm to the body.

Take the silicone system silicone gel KL-6638 as an example. Silicone is currently a material with a high environmental protection level. The industry certification is strict, and the environmental protection certification has good skin-friendly properties. Bio-glue has also passed strict certification and has good biocompatibility.

Since traceless underwear is adsorbed on the skin and fixed, it has poor breathability to the skin, whether it is silicone or biogel, so it is recommended not to wear it for a long time. People with skin allergies need to be more cautious.

The main thing is to look at the material and the model that suits your size, so that it will not be harmful to the body. It is recommended to choose a suitable model. The ideal bra should be able to hold up the breasts when the human body moves, limit the movement of the breasts as much as possible without affecting breathing, and should not leave any traces of oppression on the skin after removal. If there is a glue odor, it is most likely the smell of the adhesive. Because many bras and underwear are not formed at one time, they are composed of a variety of materials. Some decorative materials are loaded on the bra through bonding. Some unqualified adhesives have excessive levels of formaldehyde.

Formaldehyde is a harmful substance with a pungent odor and is commonly found in adhesives.

Extended information:

Selection:

First of all, before purchasing, you must first know what the brand of seamless underwear is and whether it has passed the National Trademark Administration Approved officially registered trademark;

Secondly, whether the manufacturer of seamless underwear is a regular manufacturer, whether it has a business license and a production license, especially the production license, is the state's assessment of the manufacturer's production equipment and process level. A sign of affirmative recognition.

The third and most critical point is to see whether the seamless underwear has a quality inspection report issued by the relevant national quality inspection department, which is generally divided into basic testing, microbial testing, live animal allergy testing and heavy metal testing. Four kinds.

Maintenance:

The packaging of seamless underwear from regular manufacturers comes with colorful illustrated instructions, which will give you detailed instructions on how to wear, wash and maintain it. The wearing method is roughly as follows:

1. Cleaning:

Clean your chest first. Do not use lotion, talcum powder or any skin care products, as this will affect the viscosity.

2. Putting on:

First stand in front of the mirror and put it aside. When putting it on, turn the cup outwards and place the cup in the appropriate position. Gently use your fingertips to smooth the edge of the bra cup on the chest so that it fits closely with the lower edge of the breast. Repeat the same action on the other side and make sure that the height of both sides is the same.

3. Fasten:

Connect the front buckle and press the cup with both hands for a few seconds to ensure it is fixed. Show Bra is designed to be a little thinner at the bottom of the cup, so it is normal for it not to cover the entire breast.

4. Tips:

In order to look fuller, please place the Show Bra higher on your chest. This can bring out your breasts and make them fuller and more tangible.

5. Adjustment:

If you want to enhance the cleavage effect, please place the Show Bra farther away. When the front buckle is fastened, it will tighten your breasts and create the effect you want. charming cleavage.

6. Untie:

First untie the hook on the chest, and gently pull the Show Bra from top to bottom. If there is any residue on the chest after pulling it off, Due to the stickiness, please wipe it gently with tissue paper.

Baidu Encyclopedia-Seamless Underwear