Like many words in the English language, such as affect vs. effect, compliment vs. complement, and stationery vs. stationary, a single letter can drastically change the meaning and impact of a word. The same goes for retinol and retinal. That’s right, retinal, spelled with an “a,” is not a typo. It’s a separate slow-aging skincare ingredient from retinol.
Case in point: Haruharu wonder’s new Rose PDRN Firming Serum features a 0.1% concentration of retinal. The Black Rice Night Knight Retinol Serum, on the other hand, contains retinol.
Both retinol and retinal fall under the category of retinoids, which is the general term for ingredients derived from vitamin A, a compound that’s been studied and used since the 1950s for effectively slowing down skin aging. Other retinoids include tretinoin and adapalene. All of them supply skin renewal, sebum regulation, collagen production, and skin brightening. However, retinol and retinal are different forms of vitamin A with distinct molecular structures, so our skin converts and processes them differently.
Ahead, I’ll break down each ingredient and explain how conversion plays a major part in the impact retinol and retinal have on our skin, including the efficacy, speed, and irritation potential of retinol versus retinal.
Retinol
Let’s start with retinol, the most popular and widely recognized form of vitamin A. Retinol creams and serums are often sought out for their ability to clear pores, smooth lines, and diminish discoloration.
When we apply retinol, our skin’s enzymes convert it to retinaldehyde (AKA retinal), then to retinoic acid. The latter is the final, most active form of vitamin A needed to trigger collagen production and speed up cell turnover. Because this process takes time, consistent use over several weeks is necessary to see noticeable results.
Now, you’re probably wondering why beauty brands don't simply use the most active retinoid available. The reason is that they can't. Tretinoin is the most bioactive retinoid, meaning it doesn’t require any conversion. As a result, this retinoid delivers the most immediate, potent effects.
This potency equates to a higher risk of irritation, which is why tretinoin requires a prescription in the U.S. The good news is that retinol is a safe, over-the-counter alternative that offers the same anti-aging and skin-smoothing benefits, but with a lower likelihood of dryness and irritation.
As I mentioned earlier, the Haruharu wonder Black Rice Night Knight Retinol Serum is infused with retinol—but that’s not all. This innovative formula strategically blends this gentle form of vitamin A with bakuchiol, a mild, plant-derived ingredient, for powerful skin renewal without causing the redness and flaking often associated with traditional retinoids.
In fact, the Black Rice Night Knight Retinol Serum is clinically proven to improve the appearance of wrinkles by 12.10% after 14 days of consistent use while increasing skin elasticity by 8.6% and reducing enlarged pores by 40.03%.
The Black Rice Night Knight Retinol Serum is also enriched with intensely moisturizing ceramide NP and fermented black rice extract to bring your skin instant nourishment and help protect your skin barrier in the process
This retinol serum is my go-to recommendation for anyone beginning their retinol journey. It’s so gentle, easy to use, and has an incredibly light, milky texture that sinks into the skin instantly, leaving no sticky or greasy residue. I love how luxurious and light it feels.
Retinal
As you may have noticed, retinal is one step closer to the final bioactive form of vitamin A than retinol is. In other words, it takes less effort for our skin to convert it to retinoic acid. Because of this, studies have found that retinal is more potent and faster-acting than retinol, making it the strongest, most effective over-the-counter retinoid.
Like retinol, retinal is generally safe and well-tolerated by most skin types, including sensitive skin. The major difference is their speed. Retinal provides visible results faster, helping to fade dark spots, firm skin, smooth fine lines, refine skin texture, and banish breakouts in a shorter amount of time.
The catch is that high concentrations of retinal can cause irritation. Luckily, the Haruharu wonder Rose PDRN Firming Serum is formulated specifically with a 0.1% concentration of retinal, which is proven to significantly improve skin health without wreaking havoc on your skin. It also combines adenosine, vegan PDRN extracted from Damascus rose stem cells, and five different peptides for seriously next-level skin rejuvenation.
And once again, I have numbers to back these claims up. The Rose PDRN Firming Serum is clinically proven to improve skin elasticity by 23.15% after one month of consistent use, as well as visibly reduce pore volume by 57.76% and pore count by 35.63%. Tests also showed no signs of skin reactivity, making it safe for sensitive skin.
Texture-wise, this serum is more on the thicker, velvety side. It still swiftly melts into skin, giving it a dreamy, dewy radiance. I highly recommend it for seasoned retinol users ready to elevate their skin-rejuvenation routine.
To sum things up, the more steps an ingredient takes to convert into its active form (retinoic acid), the more gentle and gradual its effects will be.
Both retinol and retinal will undeniably help you achieve a bouncier, smoother, glassier complexion. Either one of them will improve your overall skin health by accelerating cell turnover and stimulating collagen production.
Retinol has a two-step process, so it works slowly but surely. This slower pace makes it a great option for beginners or those with sensitive, reactive skin.
Retinal has a one-step process, making it work faster and more efficiently. You’ll see visible improvements in fine lines, texture, and pigmentation sooner. If you have successfully incorporated retinol into your routine and know your skin tolerates it, then you can easily upgrade to retinal. Consider retinol as level 1 and retinal as level 2 in your slow-aging skincare journey.
No matter which retinoid you choose, gradually introducing it into your skincare routine is best for comfort and success. Integrating a potent active too quickly is an easy way to irritate your skin, leading you to abandon the ingredient altogether. We don’t want that to happen.
For the best retinoid experience, start by incorporating it into your nighttime skincare routine once a week for about two or three weeks. Once your skin shows no signs of dryness, redness, flaking, or bumps, you can gradually increase to twice a week, and eventually, every other night. Both can be used nightly, but I’m a huge fan of skin cycling. To each their own. Best of luck in finding the retinoid of your skin’s dreams.
Retinol vs Retinal: Which One Should You Include in Your Skincare Routine?
Like many words in the English language, such as affect vs. effect, compliment vs. complement, and stationery vs. stationary, a single letter can drastically change the meaning and impact of a word. The same goes for retinol and retinal. That’s right, retinal, spelled with an “a,” is not a typo. It’s a separate slow-aging skincare ingredient from retinol.
Case in point: Haruharu wonder’s new Rose PDRN Firming Serum features a 0.1% concentration of retinal. The Black Rice Night Knight Retinol Serum, on the other hand, contains retinol.
Both retinol and retinal fall under the category of retinoids, which is the general term for ingredients derived from vitamin A, a compound that’s been studied and used since the 1950s for effectively slowing down skin aging. Other retinoids include tretinoin and adapalene. All of them supply skin renewal, sebum regulation, collagen production, and skin brightening. However, retinol and retinal are different forms of vitamin A with distinct molecular structures, so our skin converts and processes them differently.
Ahead, I’ll break down each ingredient and explain how conversion plays a major part in the impact retinol and retinal have on our skin, including the efficacy, speed, and irritation potential of retinol versus retinal.
Retinol
Let’s start with retinol, the most popular and widely recognized form of vitamin A. Retinol creams and serums are often sought out for their ability to clear pores, smooth lines, and diminish discoloration.
When we apply retinol, our skin’s enzymes convert it to retinaldehyde (AKA retinal), then to retinoic acid. The latter is the final, most active form of vitamin A needed to trigger collagen production and speed up cell turnover. Because this process takes time, consistent use over several weeks is necessary to see noticeable results.
Now, you’re probably wondering why beauty brands don't simply use the most active retinoid available. The reason is that they can't. Tretinoin is the most bioactive retinoid, meaning it doesn’t require any conversion. As a result, this retinoid delivers the most immediate, potent effects.
This potency equates to a higher risk of irritation, which is why tretinoin requires a prescription in the U.S. The good news is that retinol is a safe, over-the-counter alternative that offers the same anti-aging and skin-smoothing benefits, but with a lower likelihood of dryness and irritation.
As I mentioned earlier, the Haruharu wonder Black Rice Night Knight Retinol Serum is infused with retinol—but that’s not all. This innovative formula strategically blends this gentle form of vitamin A with bakuchiol, a mild, plant-derived ingredient, for powerful skin renewal without causing the redness and flaking often associated with traditional retinoids.
In fact, the Black Rice Night Knight Retinol Serum is clinically proven to improve the appearance of wrinkles by 12.10% after 14 days of consistent use while increasing skin elasticity by 8.6% and reducing enlarged pores by 40.03%.
The Black Rice Night Knight Retinol Serum is also enriched with intensely moisturizing ceramide NP and fermented black rice extract to bring your skin instant nourishment and help protect your skin barrier in the process
This retinol serum is my go-to recommendation for anyone beginning their retinol journey. It’s so gentle, easy to use, and has an incredibly light, milky texture that sinks into the skin instantly, leaving no sticky or greasy residue. I love how luxurious and light it feels.
Retinal
As you may have noticed, retinal is one step closer to the final bioactive form of vitamin A than retinol is. In other words, it takes less effort for our skin to convert it to retinoic acid. Because of this, studies have found that retinal is more potent and faster-acting than retinol, making it the strongest, most effective over-the-counter retinoid.
Like retinol, retinal is generally safe and well-tolerated by most skin types, including sensitive skin. The major difference is their speed. Retinal provides visible results faster, helping to fade dark spots, firm skin, smooth fine lines, refine skin texture, and banish breakouts in a shorter amount of time.
The catch is that high concentrations of retinal can cause irritation. Luckily, the Haruharu wonder Rose PDRN Firming Serum is formulated specifically with a 0.1% concentration of retinal, which is proven to significantly improve skin health without wreaking havoc on your skin. It also combines adenosine, vegan PDRN extracted from Damascus rose stem cells, and five different peptides for seriously next-level skin rejuvenation.
And once again, I have numbers to back these claims up. The Rose PDRN Firming Serum is clinically proven to improve skin elasticity by 23.15% after one month of consistent use, as well as visibly reduce pore volume by 57.76% and pore count by 35.63%. Tests also showed no signs of skin reactivity, making it safe for sensitive skin.
Texture-wise, this serum is more on the thicker, velvety side. It still swiftly melts into skin, giving it a dreamy, dewy radiance. I highly recommend it for seasoned retinol users ready to elevate their skin-rejuvenation routine.
To sum things up, the more steps an ingredient takes to convert into its active form (retinoic acid), the more gentle and gradual its effects will be.
Both retinol and retinal will undeniably help you achieve a bouncier, smoother, glassier complexion. Either one of them will improve your overall skin health by accelerating cell turnover and stimulating collagen production.
Retinol has a two-step process, so it works slowly but surely. This slower pace makes it a great option for beginners or those with sensitive, reactive skin.
Retinal has a one-step process, making it work faster and more efficiently. You’ll see visible improvements in fine lines, texture, and pigmentation sooner. If you have successfully incorporated retinol into your routine and know your skin tolerates it, then you can easily upgrade to retinal. Consider retinol as level 1 and retinal as level 2 in your slow-aging skincare journey.
No matter which retinoid you choose, gradually introducing it into your skincare routine is best for comfort and success. Integrating a potent active too quickly is an easy way to irritate your skin, leading you to abandon the ingredient altogether. We don’t want that to happen.
For the best retinoid experience, start by incorporating it into your nighttime skincare routine once a week for about two or three weeks. Once your skin shows no signs of dryness, redness, flaking, or bumps, you can gradually increase to twice a week, and eventually, every other night. Both can be used nightly, but I’m a huge fan of skin cycling. To each their own. Best of luck in finding the retinoid of your skin’s dreams.