This New Firming Serum Actually Helps Smooth Fine Lines on My Forehead While I Sleep

Mar. 15, 2025

Photo:Real SimpleI have combated dry skin my entire life, so my beauty routine can sometimes feel like a revolving door of products that promisedeep hydration. While that trial-and-error process has brought me multiple serums, body oils, and lotions that live up to the hype, I’m still constantly on the lookout fornew formulasthat promise lasting results.It wasn’t long before my search brought me toOsea’s lineof products that rely on naturally derived ingredients to plump and hydrate the skin. I have been a fan of theceleb-used brand’sbody oilfor years, so I was beyond excited to test out the newDream Night Serum with Bio Retinol, which officially launched yesterday. After a few weeks of use, this serum has earned a permanent spot in my routine, and PEOPLE shoppers can snag it for 10 percent off with our exclusive codePEOPLE10.Osea Dream Night Serum with Bio RetinolOsea$88Buy Now for $80Like other Osea products, theDream Night serumfeatures aseaweed-infused formula, and it also includes peptides and algae-derived bio retinol. According to the brand, these ingredients are meant to hydrate your skin while firming fine lines and deep wrinkles. While I don’t have deep wrinkles yet, I immediately noticed a difference in how my skin looked and felt after just a week of regular use.The fine lines on my forehead that were typically visible in the morning are nonexistent, and my skin feels plump and tight all day after I use this serum. It can sometimes be hard to pinpoint which products are making a difference in your routine; however, my skin responds well to hyaluronic acid, which is a key ingredient in this formula and something my lineup was missing.While I feel confident that one element made a difference, I also noticed that my typically sensitive skin had no adverse reaction to the retinol in this product, which can likely be attributed to thegreen microalgaethat promises to reduce wrinkles without irritation. This product fits into my routine after washing my face and before moisturizing each night. It has a thick but not too sticky consistency that rests nicely on my skin and can easily be layered under other products.If you want to give this hydrating and firming night serum a try, don’t forget to use our exclusive codePEOPLE10at checkout for 10 percent off. Keep scrolling to shop moretop productsfrom Osea below.Dream Night CreamOseaBuy Now for $68Hyaluronic Sea SerumOsea$88Buy Now for $80Dayglow Face OilOseaBuy Now for $58

Photo:Real Simple

Real Simple

I have combated dry skin my entire life, so my beauty routine can sometimes feel like a revolving door of products that promisedeep hydration. While that trial-and-error process has brought me multiple serums, body oils, and lotions that live up to the hype, I’m still constantly on the lookout fornew formulasthat promise lasting results.It wasn’t long before my search brought me toOsea’s lineof products that rely on naturally derived ingredients to plump and hydrate the skin. I have been a fan of theceleb-used brand’sbody oilfor years, so I was beyond excited to test out the newDream Night Serum with Bio Retinol, which officially launched yesterday. After a few weeks of use, this serum has earned a permanent spot in my routine, and PEOPLE shoppers can snag it for 10 percent off with our exclusive codePEOPLE10.Osea Dream Night Serum with Bio RetinolOsea$88Buy Now for $80Like other Osea products, theDream Night serumfeatures aseaweed-infused formula, and it also includes peptides and algae-derived bio retinol. According to the brand, these ingredients are meant to hydrate your skin while firming fine lines and deep wrinkles. While I don’t have deep wrinkles yet, I immediately noticed a difference in how my skin looked and felt after just a week of regular use.The fine lines on my forehead that were typically visible in the morning are nonexistent, and my skin feels plump and tight all day after I use this serum. It can sometimes be hard to pinpoint which products are making a difference in your routine; however, my skin responds well to hyaluronic acid, which is a key ingredient in this formula and something my lineup was missing.While I feel confident that one element made a difference, I also noticed that my typically sensitive skin had no adverse reaction to the retinol in this product, which can likely be attributed to thegreen microalgaethat promises to reduce wrinkles without irritation. This product fits into my routine after washing my face and before moisturizing each night. It has a thick but not too sticky consistency that rests nicely on my skin and can easily be layered under other products.If you want to give this hydrating and firming night serum a try, don’t forget to use our exclusive codePEOPLE10at checkout for 10 percent off. Keep scrolling to shop moretop productsfrom Osea below.Dream Night CreamOseaBuy Now for $68Hyaluronic Sea SerumOsea$88Buy Now for $80Dayglow Face OilOseaBuy Now for $58

I have combated dry skin my entire life, so my beauty routine can sometimes feel like a revolving door of products that promisedeep hydration. While that trial-and-error process has brought me multiple serums, body oils, and lotions that live up to the hype, I’m still constantly on the lookout fornew formulasthat promise lasting results.

It wasn’t long before my search brought me toOsea’s lineof products that rely on naturally derived ingredients to plump and hydrate the skin. I have been a fan of theceleb-used brand’sbody oilfor years, so I was beyond excited to test out the newDream Night Serum with Bio Retinol, which officially launched yesterday. After a few weeks of use, this serum has earned a permanent spot in my routine, and PEOPLE shoppers can snag it for 10 percent off with our exclusive codePEOPLE10.

Osea Dream Night Serum with Bio Retinol

Osea

$88Buy Now for $80

Like other Osea products, theDream Night serumfeatures aseaweed-infused formula, and it also includes peptides and algae-derived bio retinol. According to the brand, these ingredients are meant to hydrate your skin while firming fine lines and deep wrinkles. While I don’t have deep wrinkles yet, I immediately noticed a difference in how my skin looked and felt after just a week of regular use.

The fine lines on my forehead that were typically visible in the morning are nonexistent, and my skin feels plump and tight all day after I use this serum. It can sometimes be hard to pinpoint which products are making a difference in your routine; however, my skin responds well to hyaluronic acid, which is a key ingredient in this formula and something my lineup was missing.

While I feel confident that one element made a difference, I also noticed that my typically sensitive skin had no adverse reaction to the retinol in this product, which can likely be attributed to thegreen microalgaethat promises to reduce wrinkles without irritation. This product fits into my routine after washing my face and before moisturizing each night. It has a thick but not too sticky consistency that rests nicely on my skin and can easily be layered under other products.

If you want to give this hydrating and firming night serum a try, don’t forget to use our exclusive codePEOPLE10at checkout for 10 percent off. Keep scrolling to shop moretop productsfrom Osea below.

Dream Night Cream

Buy Now for $68

Hyaluronic Sea Serum

Dayglow Face Oil

Buy Now for $58

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source: people.com