Retinol 1% in Squalane

Here's the thing about The Ordinary Retinol 1% in Squalane: it's a test. Not a test of the product — that part is straightforward. Eight ingredients, same as the 0.2% and 0.5%. Same amber dropper. Same squalane base. The test is whether your skin can handle it, and the answer, for a significant number of enthusiastic retinol users who thought they were ready, is a humbling no.

That's not a criticism. It's the reality of a 1% pure retinol concentration, and The Ordinary doesn't pretend otherwise. The product page classifies this as high-strength with medium irritation potential, which is the kind of understatement that only makes sense after you've experienced the first week. The flaking. The redness. The moment where you look in the mirror on day four and briefly consider whether you've made a terrible mistake. This is retinization, it's temporary, and it's the price of admission for what this product can do.

Because what it can do is significant. Published research on 1% topical retinol shows measurable increases in procollagen I and procollagen III protein expression — the building blocks your skin uses to construct new collagen fibers. A study by Kafi et al., published in the Archives of Dermatology, demonstrated that retinol application to aged skin significantly reduced fine wrinkling and increased glycosaminoglycan expression after 24 weeks. At 1%, you're operating at a concentration where the conversion to retinoic acid is substantial enough to genuinely accelerate the anti-aging machinery, not just nudge it.

The user experience reflects this. People who push through the adjustment period consistently describe a quality of skin change that the lower concentrations don't quite match — a firmness, a bounce, a clarity that goes beyond surface smoothing. Fine lines don't just soften; some users report they visibly diminish. Hyperpigmentation fades faster. Pores appear tighter. The cumulative effect after three months of consistent use is often described as the closest thing to a prescription result they've gotten over the counter.

But the adjustment period is real, and it demands a support system. The Ordinary's formula gives you retinol, squalane, and antioxidants. That's it. There are no ceramides to rebuild what the retinol temporarily disrupts, no centella to soothe the inflammation, no hyaluronic acid to replenish the moisture your barrier is losing. You need to bring those things yourself — a rich ceramide moisturizer, a good hydrating serum, and a committed relationship with your sunscreen. Without that infrastructure, 1% retinol can leave your skin worse off than it started.

The application ritual requires strategy. Most dermatologists and experienced users recommend the sandwich method for the first few weeks: moisturizer, then retinol, then more moisturizer. This buffers the direct contact and gives your skin a fighting chance at adaptation without full-scale revolt. Start with two nights a week. Not three, not every other night — two. And give yourself a full month before increasing frequency. The users who push too fast are the ones writing one-star reviews about retinol burning their face.

The texture and application experience are identical to the 0.2% and 0.5% — the same lightweight oil, the same quick absorption, the same barely-there finish. The difference only becomes apparent in the hours and days that follow, as the higher retinol concentration makes its presence known through the skin's response.

At $9.90 for 30ml, the value is staggering. Because you're likely using this 2-3 times per week (at least initially), a single bottle can last 4-6 months. That's potentially half a year of high-strength retinol treatment for the price of a mediocre burrito. The entire graduated journey through The Ordinary's retinol line — starting at 0.2%, progressing to 0.5%, arriving at 1% — costs less than $30 total and spans a year or more of progressive retinoid education.

This product isn't for most people, and that's not a failing — it's a feature. It's for the skincare committed, the retinol veterans, the people who understand that the adjustment period is a process, not a problem. For them, this is arguably the best value in serious anti-aging skincare that exists anywhere on the market.

Formula

The Science

At 1% concentration, retinol enters the range where published human studies demonstrate measurable molecular changes in the skin. A landmark study by Kafi et al. (2007), published in the Archives of Dermatology, applied retinol to naturally aged skin in elderly subjects and found significant reductions in fine wrinkling scores after 24 weeks compared to vehicle, along with increased glycosaminoglycan expression and procollagen I immunostaining — direct markers of dermal matrix rebuilding. A separate investigation published in the Journal of Investigative Dermatology showed that topical application of 1% retinol for just 7 days was sufficient to reduce matrix metalloproteinase (MMP) expression while simultaneously increasing fibroblast growth and collagen synthesis, demonstrating that the molecular anti-aging cascade begins rapidly at this concentration.

The conversion pathway from retinol to its active form, retinoic acid, involves sequential oxidation: retinol → retinaldehyde → retinoic acid, with potency loss at each step. Even at 1%, topical retinol produces substantially less retinoic acid in the skin than prescription tretinoin at 0.025%. However, a 2015 comparative study published in the British Journal of Dermatology found that retinol induced similar changes in skin histology and gene expression as retinoic acid, albeit with smaller magnitude — suggesting that the biological pathways activated are the same, just less intensely stimulated.

The squalane vehicle plays a particularly important role at this concentration. Higher retinol levels mean more molecules susceptible to oxidative degradation, and the anhydrous environment eliminates the primary aqueous degradation pathway. Additionally, squalane's properties as a penetration enhancer for lipophilic compounds may improve the bioavailability of this high-dose retinol at the dermal-epidermal junction where collagen remodeling occurs.

References

1. Improvement of naturally aged skin with vitamin A (retinol) — Archives of Dermatology (2007)
2. A comparative study of the effects of retinol and retinoic acid on histological, molecular, and clinical properties of human skin — British Journal of Dermatology (2015)
3. Antiaging action of retinol: from molecular to clinical — Skin Pharmacology and Physiology (2009)

Dermatologist Perspective

Board-certified dermatologists view 1% retinol as the upper limit of what OTC retinoid products can deliver before prescription retinoids become the next logical step. Dermatologists emphasize that this concentration is not appropriate as a starting point — even for patients with oily, resilient skin — and should only be used after documented tolerance at lower strengths. The lack of supporting ingredients in this formula means dermatologists typically recommend pairing it with a prescription-grade moisturizer or a ceramide barrier cream to prevent the excessive transepidermal water loss this strength can cause. Dermatologists also note that patients using 1% retinol require the same photoprotection diligence as those on prescription retinoids — daily SPF 50 with consistent reapplication is considered essential, not optional.

Guidance

Positioned as the final destination in The Ordinary's graduated retinol system, the 1% was always the product for users who'd earned their stripes. It represents The Ordinary's philosophy taken to its logical extreme — the highest effective OTC retinol concentration, in the simplest possible formula, at the lowest possible price, with zero marketing embellishment about what the adjustment period actually feels like.

About The Ordinary Established Brand (5–20 years)

The Ordinary launched in 2016 under DECIEM (now wholly owned by Estée Lauder Companies as of 2024) and quickly became the most recognized name in affordable, no-nonsense skincare. The brand's transparent approach to ingredient concentrations and pricing has earned it a massive following and widespread dermatologist acknowledgment, though its products rely on well-studied ingredients rather than proprietary clinical trials.

Brand founded: 2016 · Product launched: 2017

Myth vs. Reality

Myth

1% retinol is basically the same as prescription tretinoin, so you don't need a dermatologist.

Reality

While 1% retinol is potent, it's fundamentally different from tretinoin. Retinol must be converted to retinoic acid through multiple enzymatic steps in the skin, losing potency at each conversion. Even at 1%, this product is significantly less potent than the lowest prescription tretinoin (0.025%). It can produce impressive results, but it doesn't replace a prescription when one is warranted.

Myth

If the 0.5% worked well for you, the 1% will just work faster with no extra side effects.

Reality

Doubling the retinol concentration doesn't simply double the speed of results — it substantially increases the irritation potential. Many users who tolerate 0.5% nightly experience significant peeling, redness, and purging when stepping up to 1%. The adjustment period is real and should be approached with respect.

FAQ

Common Praise

"Dramatic improvement in skin texture and tone with consistent use"

"Remarkably affordable for a high-strength retinol"

"Visible results faster than lower concentrations"

"Plumping effect noticeable within first few weeks"

"Simple formula with no unnecessary additives"

Common Complaints

"Significant irritation, peeling, and redness during the adjustment period"

"Can trigger purging that lasts several weeks"

"Too strong for many users even after building tolerance with lower strengths"

"Oily texture combined with peeling skin creates an uncomfortable combination"

"Three-month shelf life is stressful with a product you can only use 2-3 times per week initially"

Notable Endorsements

Recognized as one of the strongest OTC retinol products available at any priceFrequently cited in dermatology-focused publications as a high-potency option

Appears In

best retinoid for aging best retinoid for texture best retinoid for sun damage best retinoid for dark spots best budget retinoid

Related Conditions

aging texture sun damage dark spots dullness large pores

Related Ingredients

retinol squalane retinoid vitamin a