Vitamin c

The Ordinary Vitamin C suspension 23% + HA review (plus, squalane question answered/not answered)

My initial thoughts, two weeks into using it. Plus, I emailed Deciem to ask about the percentage of squalane included in the formula. Here's what they said.

I think we can all agree that a good vitamin C serum is hard to find—and it doesn’t help that The Ordinary sells eight vitamin C products. That means that an octopus could hold a different one in each tentacle and end up feeling very, very confused. After some analysis, I finally narrowed it down to The Ordinary Vitamin C Suspension 23% + HA Spheres 2%, an anhydrous (water-free) formula that includes ascorbic acid. Here are my initial thoughts on this product, two weeks after using it…

Can you use expired skincare products?

My dad shares three tips for determining whether you should save or toss your expired skincare products. Plus, a short review of Trader Joe's face serum.

Today’s a bit of a special day because I’m going to write about a product that played a key role in the birth of this blog! My Dad the Chemist was partially inspired by the time my dad saw me trying to compare Trader Joe’s face wash and serum—and, after taking a look at each ingredient list, he recommended the serum that I’m going to write about today.

How to choose a Vitamin C serum

Should you avoid vitamin C serums that contain water? And is clear packaging a no-no? My dad helps clear some things up.

Vitamin C is known by many names, but you’ll commonly see it listed as “ascorbic acid.” Deciem’s The Ordinary has written a pretty serious Vitamin C skincare guide that claims that once vitamin C (in the form of ascorbic acid) hits water, it begins to oxidize (lose its effect) and change into a darker yellow/orange color.