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Check out the latest CL Answers:
Do any supplements reduce wrinkles, increase skin elasticity, or tighten the skin?
Learn about collagen, biotin, CoQ10, cocoa, soy isoflavones, phytoceramides, and other supplements for reducing wrinkles and improving aging skin.

PFAS (Per- and Polyfluoroalkyl Substances): How can I avoid PFAS in dental floss, food, water, and other products?
Some brands of dental floss, including Oral-B Glide, may contain potentially toxic chemicals known as PFAS (polyfluoroalkyl substances). Get the details, and learn which floss and pick products are our Top Picks.

What is the best sunscreen based on safety and efficacy?
We’ve boiled down the latest research about mineral and chemical sunscreens, including product tests, to help you choose the best sunscreen (which will depend on whether you expect to be in or out of the water). We also list popular sunscreens that have, or have not, been found to contain cancer-causing compounds (benzene and benzophenone).

Here’s What You Should Look For In Toothpaste and Mouthwash, and Our Top Picks
Learn about ingredients you want in your toothpaste, mouthwash and other dental products and which ingredients you may want to avoid.

Which foods and supplements contain lead, cadmium, or arsenic?
Discover which foods and dietary supplements contain lead and other metals, the limits, who’s testing, and how to stay safe.

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