What Is a Creatinine Test? A creatinine test, also called a serum creatinine test, measures how well your kidneys are working. Creatinine is a waste product from the normal breakdown of muscle tissue.

The tiny capsules make it easy to use the right amount of serum, which is key for consistency. Honestly, I’d be lying if I said they weren’t also equally as fun to apply as they are effective.

Dr. Shereene Idriss This serum works for people with dry, balanced, and combination skin who are looking for hydration, radiance, and overall skin clarity. It might not be suitable for those with ...

Background and Aim: Serum cancer antigen (CA) 125 elevation has been reported in patients with liver disease, but it is poorly characterized. The present study aimed to evaluate the range of serum ...

My go-to product that contains this miracle ingredient is The Ordinary's Niacinamide 10% + Zinc 1% serum, which happens to cost just $6. What is niacinamide and how does it work? Niacinamide (also ...

Despite its efficacy, vitamin C is notoriously unstable and can quickly go from a hyperpigmentation-zapping wonder ingredient to a $60 bottle of smelly serum. That’s why it’s important to find ...

Why Trust Us? Because niacinamide is water-soluble, looking for it in a serum preparation is probably your best bet, says Dr. Camp. It's also a good idea to keep your eyes on the percentage of ...

The best hair growth serum can help; it won’t necessarily restore your hair to normalcy, but rather establish a foundation that spurs hair growth, thus helping offset the effects of thinning and ...

To apply, twist the capsule and squeeze out the serum, then apply it to your face and neck. If your goal is treating dark spots, this serum from Remedy is a great place to start. It features 0.1 ...

Why We Love It: Our tester was shocked to see what a positive difference this serum had on her skin. After three weeks of consistent use, her skin radiated an even glow, and many of her sun spots ...

During the pandemic, my best friend started coating her lashes every single night with an eyelash growth serum, and as a beauty editor, I couldn’t help but be…skeptical (though, to be fair ...