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Last Updated on March 10, 2025 by Giorgia Guazzarotti

Pixi Botanical Collagen & Retinol Serum

Ever tried a retinol serum and ended up looking like a sunburned tomato? Yeah, same. Retinol is famous for smoothing fine lines and giving your skin that glow, but it can also be a one-way ticket to flaky, irritated skin. So I couldn’t help but be intrigued (but skeptical) when I found Pixi Botanical Collagen & Retinol Serum, a formula that promises all the benefits without any of the drama.

Can it really firm, plump, and smooth without turning your face into a peeling mess – or is that just wishful marketing hype. Let’s find out.

Key Ingredients in Pixi Botanical Collagen & Retinol Serum: What Makes It Work?

RETINOL TO FIGHT WRINKLES

Retinol is the holy grail of anti-aging ingredients, and for good reason. It speeds up cell turnover, reduces fine lines, and fades dark spots. But it can also be drying and irritating, which is why Pixi pairs it with hydrating and soothing ingredients to keep skin soft.

A 2019 study published in the Journal of Drugs in Dermatology confirmed what we know: used regularly, retinol significantly improves skin texture and reduces wrinkles. It works by binding to retinoic acid receptors in the skin to stimulate collagen production for firmer and plumper skin. While it’s at it, it also speeds up the skin’s natural exfoliating process to smooth out fine lines, fade dark spots and even reduce acne.

The low-dose, time-release retinol in this serum works gradually. Instead of releasing retinol all at once, it’s fed to your skin over a period of several hours. Translation: it’s as effective but gentler on the skin. Unless yours is super, super sensitive, this is unlikely to turn it into an angry tomato. 

Related: Retinol VS Retinyl Propionate: Which One Is Better?

COLLAGEN TO PLUMP AND FIRM

Pixi claims the serum contains botanical collagen in the form of Acacia Collagen to plump and firm skin. If you’re looking for it on the ingredient list, you’ll find it under the name of Acacia Seyal Gum Extract, an extract polysaccharides (especially galactose and rhamnose). These fancy ingredients have humectant properties, a fancy way of saying they attract and bind water from the air into your skin. This alone makes skin softer and plumper.

BUT (and this is a huge but), collagen in skincare doesn’t do anything more than hydrate skin. Acacia collagen, or however you want to call it, simply can’t reach the deeper level of the skin and interfere with the skin processes that produce collagen. Period. 

Related: Do Collagen Drinks Work?

CHAMOMILE TO SOOTHE 

Chamomile (Latin name Anthemis Nobilis) isn’t just for tea. It’s a powerful skincare ingredient with soothing, anti-inflammatory properties that can help calm irritation and redness. It’s the perfect companion to retinol.

A 2017 study published in the Journal of Clinical and Aesthetic Dermatology found that chamomile extract significantly reduces skin inflammation and promotes wound healing, making it a must for sensitive or broken skin. 

The Rest of the Formula & Ingredients

NOTE: The colours indicate the effectiveness of an ingredient. It is ILLEGAL to put toxic and harmful ingredients in skincare products.

  • Green: It’s effective, proven to work, and helps the product do the best possible job for your skin.
  • Yellow: There’s not much proof it works (at least, yet).
  • Red: What is this doing here?!
  • Aqua/Water/Eau: The main hydrator and solvent in the product.
  • Glycerin: A humectant that attracts and binds water to the skin to increase its hydration levels.
  • Methyl Methacrylate/Glycol Dimethacrylate Crosspolymer: It enhances the texture of skincare products. 
  • Acetyl Heptapeptide-4: This peptides only hydrates skin, nothing more.
  • Niacinamide: The multi-tasker of the skincare world, it hydrates skin, fights wrinkles, brightens uneven skin tone, soothes irritations, and even reduces acne. Plus, it helps your skin better tolerate retinol.
  • Rosmarinus Officinalis (Rosemary) Extract: A powerful antioxidant with mild preservative properties.
  • Ascorbic Acid: The pure form of Vitamin C. It brightens skin and fights wrinkles, but there’s not enough here to do much.
  • Tocopheryl Acetate: A form of Vitamin E, it has antioxidant properties. Plus, it helps the formula last longer.
  • Citric Acid: It helps to adjust the pH of skincare products.
  • Carbomer: It thickens skincare products.
  • Potassium Sorbate: A preservative that helps the formula last longer.
  • Hydroxyethyl Cellulose: It has mild hydrating and mild preservative properties. 
  • Caprylyl Glycol: Another hydrator with mild preservative properties. 
  • Disodium EDTA: It helps protect the ingredients in a formula, so they last longer.
  • Propyl Gallate: A synthetic antioxidant that prevents wrinkles and stabilises the formula.

Texture

This serum has a lightweight, slightly milky consistency that absorbs quickly into the skin without feeling greasy. It layers well under moisturizers and makeup, and there’s no sticky residue. 

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Fragrance

Technically, it’s fragrance-free. Pixi hasn’t any artificial fragrance that may irritate skin. Said that, ingredients have a smell on their own, so this serum does have a scent. A light and fresh one that fades quickly. If you have sensitive skin that’s easily triggered, you may want to do a patch test first – just in case.

How To Use It

Use it at night after cleansing but before moisturizing. If you’re using other serums, they do after this one. A few drops are enough for the whole face. If you’re new to retinol, start with one or twice a week and work your way up to every other night. 

Packaging

The serum comes in a bottle with a dropper applicator that dispenses the perfect amount without waste. It’s not the most practical for travelling, but unless you live out of a suitcase, that’s not a major concern. 

Performance & Personal Opinion

I’ll be honest. I didn’t expect much from this serum at first. But after using it for a month, I was pleasantly surprised by the results. Within a week, my skin felt hydrated and a little smoother. 

By the two-week mark, I started noticing small changes. My complexion looked brighter, My skin felt a little firmer. Best of all, my skin never felt dry, flaky, or red. I’m thanking the extra hydration for that. Fast forward a month, I could see real improvements. My skin tone looked more even, and the fine lines around my eyes and forehead were slightly softened. 

Now, this is nowhere near as powerful as a prescription retinoid, so if you’re using Tretinon & co, stick to that. If you’re just starting on your retinol journey, this is a gentle option that”ll give you the results you want without turning your skin into an angry tomato. 

One of the biggest perks? It layers well with other products. I used it alongside my usual moisturizer and didn’t have any issues with pilling or heaviness. Plus, it played nicely under my makeup too..

What I Like About Pixi Botanical Collagen & Retinol Serum

  • Gentle enough for daily use 
  • Hydrating
  • Reduces the appearance of wrinkles
  • Non-greasy, lightweight texture 
  • Fragrance-free

What I DON’T Like About Pixi Botanical Collagen & Retinol Serum

  • Results take time 
  • If you’re using 1% retinol or Tretinoin, this would be a step back for you

Who Should Use This?

  • If you have dry, sensitive, or mature skin and want to dip your toes into the world of retinol without dealing with redness or peeling.
  • It’s also great if you’re looking for a hydrating retinol serum that won’t dry out your skin.

Does Pixi Botanical Collagen & Retinol Serum Live Up To Its Claims?

CLAIM TRUE?
This concentrated, volumising serum is formulated with Acacia Collagen, Retinol and vitamins to help restore skin’s elasticity. True in word, not in promise. Let me example. One, there’s nothing volumising here. But then volumising means anything and nothing, so they can easily say it without lying.
It’s true the serum is formulated with those ingredients and the way they worded it implies that’s what makes skin elastic. The catch? The word “help”. They don’t say these ingredients restore skin’s elasticity, they say it helps (other things – what?) restore skin’s elasticity.
So the claim is true, but in reality they’re not promising anything. Smart, right?
Helps soften the appearance of fine lines and restore your skin’s natural radiance. True.
Suitable for all skin types. Mostly true. If your skin is very sensitive and can’t tolerate retinol at all, this isn’t for you.

Price & Availability

£26.00 at Cult Beauty, Look Fantastic, and Sephora

The Verdict: Should You Buy It?

If you’re looking for a hydrating, beginner-friendly retinol serum that plumps, firms, and smooths skin without irritation, Pixi Botanical Collagen & Retinol Serum is a solid choice. While it’s not the most potent anti-aging serum out there, it’s an excellent option for sensitive skin or those new to retinol.

Ingredients

Aqua/Water/Eau, Glycerin, Acacia Seyal Gum Extract, Retinol, Methyl Methacrylate/Glycol Dimethacrylate Crosspolymer, Acetyl Heptapeptide-4, Niacinamide, Rosmarinus Officinalis (Rosemary) Extract, Anthemis Nobilis Flower Extract, Ascorbic Acid, Tocopheryl Acetate, Citric Acid, Carbomer, Potassium Sorbate, Hydroxyethylcellulose, Caprylyl Glycol, Disodium EDTA, Propyl Gallate.