There are a lot of ways to combine hyaluronic acid and retinol. With our formulas, we recommend using retinol at night, while products with hyaluronic acid can be used both morning and night. Here’s our ideal sample routine for maximum renewal in the
The ingredient you apply first depends on your skin’s needs and goals. Whichever ingredient goes on your skin first will have the greater impact, and will somewhat dilute whatever you apply over it. If you’re interested in experiencing the most of re
Vitamin C and retinol are normally used in skincare to address signs of aging, although that’s only a small aspect of their benefits. Their affinity for the skin means that they’re able to boost and improve processes that impact all sorts of skin con
Retinol and vitamin C are both incredible ingredients, but more importantly, they work beautifully together. They’re both anti-aging agents, and there’s some overlap in their benefits, especially when it comes to signs of aging. That said, they work
For the best results, use vitamin C serum in the morning and retinol at night. What does that look like in practice?When you wake up in the morning, wash your face or just splash it with water. The more water, the better! While it’s still damp, gentl
We need to be honest here - the Protocol Lab Team has a favorite child. Both retinol and vitamin C are extremely beneficial to the skin, but between the two, we think retinol is the more impressive ingredient thanks to its powerful abilities (at leas
Do I use vitamin C or retinol first?. We don’t recommend using vitamin C and retinol at the same time. The first ingredient that goes on your skin will have the biggest impact, and frankly, both vitamin C and retinol deserve to be used to their utmos
You can use your serums either in the day or night! If you want to use several serums in your routine, it’ll make more sense to split them up, to allow each one a maximum chance to impact the skin. It doesn’t make a big difference when you use which
Serum goes on the skin first, followed by moisturizer. Serums are designed to sink in and deliver active ingredients, while moisturizers are intentionally meant to intermingle with the surface of the skin, to protect and bind moisture to it. Read the
Generally, you should wait at least a minute or two to allow your serum to sink into the skin. For even better product absorption, consider waiting as long as 30 minutes before applying moisturizer. If you’re tired or in a rush, however, don’t let pe
We’re not huge on toners here at Protocol Lab (especially not fragranced, alcohol-laden ones), but you can certainly use serums and toners together. Normally, you would apply toner to your skin first, followed by your serum. If your toner contains an
In recent years, it’s become popular to collect a lot of serums, each one often only containing one notable key ingredient. In most cases, we think one serum per skincare “session” is ideal, and it’s better to combine actives if they don’t have any i