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. **

No, makeup foundation is not the same as sunscreen. While some foundations may contain SPF (sun protection factor) to provide some level of sun protection, they are not a substitute for dedicated sunscreen. Sunscreen is specifically formulated to protect the skin from harmful UV rays, while makeup foundation is designed to even out skin tone and provide coverage. It is important to use a separate sunscreen with broad-spectrum protection to effectively shield the skin from the sun's damaging effects. **

Yes, silicone does stick to silicone. When two silicone surfaces come into contact, they tend to adhere to each other due to their similar chemical composition. This property makes silicone a popular material for creating airtight seals and bonding silicone-based products together. **

Yes, this sunscreen can be used under makeup. Its lightweight and non-greasy formula makes it suitable for layering under makeup without feeling heavy or causing makeup to slide off. It also provides a smooth base for makeup application, helping it to last longer throughout the day. **

Yes, you can mix sunscreen with makeup to create a tinted sunscreen or to boost the sun protection factor of your makeup. However, it's important to ensure that the sunscreen and makeup are compatible and won't affect the efficacy of the sunscreen. It's best to use a sunscreen that is specifically designed to be worn under makeup or to look for makeup products that already contain SPF. Always follow the instructions on the sunscreen and makeup products to ensure proper application and protection. **

It is generally not recommended to apply new silicone on top of existing silicone. The new silicone may not adhere properly to the old silicone, leading to potential issues with adhesion and durability. It is best to remove the old silicone completely before applying a new layer to ensure a proper bond and a long-lasting seal. **

Yes, silicone can be applied on top of existing silicone. However, it is important to ensure that the existing silicone is clean and free of any dirt, dust, or residue before applying new silicone. Additionally, it is recommended to use a silicone primer to promote adhesion between the old and new silicone layers. This will help to create a strong bond and ensure a durable seal. **

It depends on the store's return policy. Some stores may allow returns of makeup and other online ordered goods after testing it once, while others may have a strict no-return policy for opened or used items. It's important to carefully read the return policy of the store before making a purchase, and if in doubt, it's best to contact the store's customer service for clarification. **