No, viscose is not elastic. Viscose is a type of rayon fabric made from natural fibers such as wood pulp. It is known for its soft and smooth texture, but it does not have the stretch or elasticity that is characteristic of elastic materials like spandex or elastane. Viscose can drape well and has good moisture-wicking properties, but it does not have the ability to stretch and bounce back like elastic fabrics do. **

Makeup alone is not a substitute for sunscreen. While some makeup products may contain SPF, they are not typically applied in a thick enough layer to provide adequate sun protection. It is recommended to use a separate sunscreen with at least SPF 30 underneath makeup for proper protection against harmful UV rays. **

Yes, sunscreen can expire. Most sunscreens have an expiration date printed on the packaging, and it is important to adhere to this date. Over time, the active ingredients in sunscreen can degrade, making the product less effective. Using expired sunscreen can result in reduced protection from the sun's harmful UV rays. It is recommended to replace sunscreen that has expired to ensure proper protection. **

Yes, sunscreen is combinable with other skincare products. It is recommended to apply sunscreen as the last step in your skincare routine, after moisturizer and before makeup. Make sure to choose a sunscreen that is compatible with your other products and won't cause pilling or interfere with their effectiveness. It is important to use sunscreen daily to protect your skin from the harmful effects of UV rays. **

No, sunscreen is not unnecessary. Sunscreen is an important tool in protecting the skin from harmful UV rays, which can lead to sunburn, premature aging, and an increased risk of skin cancer. It is recommended to use sunscreen daily, even on cloudy days, to protect the skin from UV damage. Additionally, sunscreen can help prevent sunspots and maintain an even skin tone. Therefore, using sunscreen is an essential part of a healthy skincare routine. **

It ultimately depends on the specific type of training or competition. MMA gloves are preferred for mixed martial arts training and competition, as they allow for grappling and striking techniques. On the other hand, boxing gloves are preferred for traditional boxing training and competition, as they provide more protection for the hands and wrists during intense punching workouts. Both types of gloves serve their purpose in their respective disciplines, so the preference would depend on the specific training or competition needs. **

Elastomers are actually elastic because of their unique molecular structure. They are made up of long, coiled polymer chains that can be stretched and then return to their original shape when the force is removed. This is due to the entropic elasticity of the polymer chains, which allows them to easily slide past each other and then spring back into place. Additionally, the presence of cross-links between the polymer chains provides additional strength and resilience, allowing elastomers to maintain their elasticity over many cycles of stretching and relaxing. **

MMA gloves are generally considered to be harder than boxing gloves. This is because MMA gloves are designed to provide less padding and protection, allowing for more dexterity and grappling techniques. On the other hand, boxing gloves are designed to provide more padding and protection for the hands and the opponent, making them softer in comparison. The difference in padding and design makes MMA gloves harder than boxing gloves. **