Algenist Concentrated Serum and Retinol Serum Duo

Algenist Concentrated Serum and Retinol Serum Duo
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What is it: A duo that features Algenist Concentrated Serum--an antiaging serum formulated with alguronic acid that helps reduce the appearance of fine lines and wrinkles and helps boost skin radiance--as well as Retinol Firming Serum--a dual-action firming serum that's gentle enough to use every day.

Who is it for: Anyone looking to help reduce the appearance of fine lines and wrinkles, and increase the appearance of skin firmness.

Why is it different: Concentrated Serum and Retinol Firming Serum are formulated with alguronic acid, a unique, patented compound from microalgae. This rare ingredient was discovered unexpectedly by a biotechnology laboratory in San Francisco focused on researching renewable energy solutions.

How do I use it: Apply Concentrated Serum to the entire face, morning and night after cleansing. Use only as directed.

Apply Retinol Firming Serum to the entire face and neck following cleansing. Follow with a moisturizer as desired. Use SPF protection during the day. Avoid contact with eyes. Use only as directed. In case of redness, irritation or itching, stop the use of the product.

From Algenist.


  • 1-fl oz Concentrated Serum
  • 1-fl oz Retinol Firming Serum

Delivery Date Estimate

Reviews & Community QA

Rated 3.9 out of 5 by 8 reviewers.
Rated 5 out of 5 by Now Confident Without Foundation I am on autodelivery for this duo from when the supersizes were a TSV. I am 59 with fair, and highly sensitive skin After 5 months I can tell you this: The retinol is gentle enough even for me (saying a lot). The serum feels calming and does improve the look of my wrinkles. The result is that I personally have seen the inner radiance come back that I thought I had lost for good. I am confident to go out without foundation again. I will keep using this combination. -- Tammy -- if you are reading this, please combine Sublime and Firm & Lift cream in one. (all in one lighter cream that blurs, lifts, firms + provides suncreen) Create that puppy and I will turn to Algenist moisturizer too. Thanks!! -- 01-14-16
Rated 2 out of 5 by No difference This was suppose to show some improvement in 10days and I used for 30 days and saw absolutely nothing. I am 65 years old and these companies need to realize that unless you are 30 or 40 or maybe even 50 you are not going to eliminate or slow the aging process. Went back. Sorry QVC, need to watch what these companies are saying about eliminating wrinkles on older women. 08-19-15
Rated 5 out of 5 by Has Made All The Difference I was afraid to use this product initially due to past experience with retinol. (Made my skin dry and flaky). I was willing to give it a try however because after a few years of taking better care of my skin, I no longer have dry skin. Well, this product has made my skin look so smooth I barely wear foundation anymore. I am so happy with the results and will continue to purchase it. 07-11-15
Rated 5 out of 5 by Lines around mouth (and elsewhere) disappearing!!! I'm using the Firming Serum morning and evening - I start at the base of my neck and go up behind my ears and all over my face. I'm 61 and hate those lines around my mouth. Well, they're getting plumped up and disappearing!!! The other lines I hate the most are the ones from the corners of my mouth to the chin, marionette lines? The one on the right is almost completely plumped up and gone and the one on the left, which was much worse, is also plumping up. I'm ASTOUNDED with these results and I haven't even been using the other bottle (retinol serum) yet. I'm going to start putting that on during the day by itself and see what happens - AMAZING product!!! 04-12-15
Rated 3 out of 5 by Love Retinol. Serum Not I used the Algenist serum alternating it with a peptide serum in the evenings. I use an antioxident during the day. That's what my dermatologist pared me down to. I wanted to add in retinol. I used thecPeyer Thimas Roth retinol and love it. It brightens. But I needed firming. I'm 62. I thought if I added another product they'd just dilute each other out. So I thought I'd try the firming retinol. It's excrllent. Good firming I gave this 3 stars because I used only the Algenist serum every night. My pores enlarged. The wrinklung got worse. I added back the peptide I was using every other night but I'm using the Algenist retinol over it becsuse the firming is good. My skin has improved. I use Dr Denes's Hydroshield after over face, neck and eyes for great hydration. 02-09-15
Rated 5 out of 5 by Simply the best..... I started using the concentrated serum when it first came out and fell in love. My deep forehead furrows virtually disappeared. A little goes a long way and it leaves your skin feeling soft and is very lightweight. When the retinol serum came out, I had to try it. I love it, too. I use it in the evening and the regular serum in the am. My skin has never looked better. It's smoother, luminous and virtually free of wrinkles and fine lines (I'm 47). I highly recommend giving this incredible deal a try. You can always return it if you don't notice a difference in a couple weeks (even though you have used it). QVC is great that way. 02-11-14
Rated 5 out of 5 by Great Duo I have been adventuresome -- trying just about any product that looked interesting on QVC. These two are keepers. Because many of the Algenist products come in glass, I keep them at home for nighttime treatment. At first, I thought the Retinol cream wasn't doing anything, but felt compelled to use it up. Well, I was wrong. It is subtly improving my skin, and I had good skin to begin with. I'm allergic to many botanicals, chamomile, marigold, floral scents, etc, but there is nothing in these products that irritates my aging, sensitive skin. Kudos to Algenist! 02-09-14
Rated 1 out of 5 by Not so much Both items have a nice texture and are quickly absorbed + 3 points After 10 days and again after a month, no one could see any changes in my skin or wrinkles - 2 points 01-29-14
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