How To Layer Facial Oils In Your Skincare Routine

Facial oil is the skincare product most people own and almost nobody uses properly.

It sits in the cupboard, half full, a bit sticky around the neck of the bottle.

Because the last time you used it, one of two things happened.

Your serum rolled into little grey crumbs. Or your forehead was shining by 11am.

Sound familiar?

Here’s the annoying part: it probably wasn’t the oil. It was the order, and the amount.

Same bottle, same skin, different sequence, completely different result.

Most people don’t have an oil problem. They have a layering problem.

So here’s exactly how to layer facial oils: where they go, how many drops you need, and which oil suits your skin. Along the way, there are a few surprising facts that will change how you shop for oils.

I’m Patri Hernández, a certified organic skincare formulator and dermocosmetic technician with a background in health coaching. I specialise in natural skincare, botanical ingredients and practical, evidence-informed approaches to wellness, which includes knowing what oils can and can’t do for your skin.

Some links here may be affiliate links, meaning I may earn a small commission if you buy through them, at no extra cost to you. It never influences my recommendations, and I only mention products and resources I genuinely believe may be useful.

What you gain from layering facial oils the right way

Before the how, here’s what a sensible order actually gets you:

• No more pilling. Water-based products go on first, so your serum and moisturiser sink in instead of balling up.
• Less wasted product. Oil applied too early can block the layers above it. The right order lets your serums do the job you paid for.
• A shorter routine. Most people need one oil, not three. That saves money and shelf space.
• Comfortable skin all day. A thin oil layer slows water loss from the skin’s surface, so that tight feeling by mid-afternoon becomes far less likely.
• No greasy finish. The right amount is smaller than you think.
• Confident shopping. You’ll know which oil suits your skin type and why.
• A routine that takes about three minutes. Once it’s habit, the whole sequence is quick.

What does layering skincare mean?

Layering simply means applying products in a deliberate order so each one can do its job.

The general rule is thinnest to thickest, or water-based to oil-based.

Water-based products (toners, essences, most serums) are light and spread easily. Oils and butters are heavier and form a thin film on the surface.

If the film goes down first, everything else struggles to get through. That’s the entire principle.

What facial oil actually does

This is where I’d gently correct a lot of marketing.

Facial oils don’t hydrate skin the way water-based products do, because they contain no water. They’re emollients, and to varying degrees occlusives: they soften the skin surface and slow the evaporation of water that’s already there.

Think of oil as the lid on the saucepan, not the water in it.

Some oils also contain fatty acids and antioxidants that support the skin barrier. Reviews of the research, such as Vaughn and colleagues in 2018, suggest oils with more linoleic acid tend to suit barrier repair better than oils high in oleic acid. This comes mostly from lab and small clinical studies, so treat it as helpful guidance, not a guarantee.

Where does facial oil go in a routine?

Almost always after your water-based products, and before sunscreen if you use oil in the morning.

A typical order looks like this:

1. Cleanser
2. Toner or essence (optional)
3. Water-based serums
4. Moisturiser
5. Facial oil
6. Sunscreen (morning only)

Oil before or after moisturiser?

After, for most people.

Moisturiser contains water and humectants, so it needs access to your skin. Oil on top seals it in.

There’s also a shortcut. Mix one or two drops of oil into your moisturiser in your palm. It works well if oil on top feels too heavy, and it saves a step.

Oil under a cream is sometimes suggested for very dry skin, but it can make the cream sit on top awkwardly. If you want to try it, use only a couple of drops and see how your skin responds.

Can you apply oil to damp skin?

Yes, and it often feels nicer. Oil spreads more easily over slightly damp skin and helps trap that surface moisture.

The catch is that “damp” means your serum or moisturiser is still settling in, not dripping wet. Too much water and the oil beads up and slides around.

Wait a minute or two, then press the oil in.

How to layer water-based products and oils

Here’s the sequence, with the details that make the difference.

1. Start with clean, slightly damp skin. Pat, don’t rub.
2. Thinnest product first. Toners and essences, then serums. Give each 30 to 60 seconds.
3. Add moisturiser. A pea-sized amount covers the face.
4. Warm 2 to 4 drops of oil between your palms. Two for light oils, up to four for very dry skin.
5. Press, don’t rub. Hold your palms against your cheeks, forehead and jaw. Pressing helps the oil settle without dragging the skin.
6. Wait before sunscreen. A few minutes is enough, otherwise sunscreen can slide.

Facial oils do not replace sunscreen and have no meaningful SPF. Never treat them as sun protection.

Morning vs evening

Evening is the natural home for facial oil. You’re not layering makeup or sunscreen on top, so richer textures don’t matter, and skin loses more water overnight.

Morning is optional. If your skin is dry or mature, a few drops of a light oil under sunscreen can feel lovely. If you’re oily or acne-prone, or your makeup tends to slip, skipping it is perfectly reasonable.

Many people do best with a light oil (or none) by day and a slightly richer one at night.

Wow fact: Your skin’s water loss isn’t constant. In a study of 16 healthy volunteers, transepidermal water loss (the water that evaporates through your skin) followed a daily rhythm. Yosipovitch and colleagues measured it every two hours over 24 hours. It’s one more reason an evening routine matters.

How many oils should you use?

Usually one. That’s the honest formulator’s answer.

A well-made facial oil is often already a blend of several oils, so layering multiple separate bottles adds cost and complexity for very little gain.

If you do want two, apply the lighter, thinner oil first and the richer one over it, in tiny amounts.

Using several at once also makes it impossible to work out which one caused a breakout or a reaction.

Best oils for different skin types

Oil choice matters as much as order. Here’s a practical guide.

Oil	Feels like	Suits	Worth knowing
Squalane	Featherlight	Oily, combination, sensitive	Very stable; rarely goes off
Jojoba	Light, silky	Most skin types	Technically a wax ester
Hemp seed / grapeseed	Light, dry finish	Oily, acne-prone	Oxidise faster; store cool
Sunflower seed	Light to medium	Sensitive, dry	Rich in linoleic acid
Rosehip	Medium	Mature, dry	Goes off faster; keep it cool and dark
Argan / avocado	Rich, cushioning	Dry, mature	Argan is a nut-derived oil

A few notes on the skin types:

• Oily or acne-prone skin: choose light, linoleic-rich oils, and use very little.
• Dry skin: richer oils give more cushioning.
• Mature skin: a blend that combines a light oil with a richer one often works well. Oils won’t erase wrinkles, but they can make skin feel and look smoother.
• Sensitive skin: keep formulas simple and free from added fragrance or essential oils.

Did you know? Jojoba isn’t technically an oil at all. It’s a liquid wax ester, and wax esters make up part of your own sebum. It’s also unusually resistant to oxidation, which is why it keeps well.

Squalane vs squalene: the names differ by one letter, and the difference matters. Squalene is found in your own sebum, but it oxidises easily. Squalane is the hydrogenated version, far more stable, which is why it’s the one you’ll see in skincare.

I’d be cautious with olive oil on the face. In a small 2013 study, Danby and colleagues found that olive oil applied to adult forearms reduced skin barrier integrity over several weeks, while sunflower seed oil did not. It was a small study on forearms, not faces, but it’s a good reminder that “natural” doesn’t automatically mean “good for skin”.

Quick fact: Sunflower seed oil has been tested in hospitals. In a randomised trial of very premature babies in Bangladesh, applying it to the skin protected against serious infections, thought to be because it supports the skin barrier. That’s babies in hospital, not your face, but it shows how much a simple oil can do.

Examples of simple layering routines

Dry or mature skin, evening
Cleanse, hydrating serum, moisturiser, then 3 to 4 drops of argan or rosehip oil.

Oily or acne-prone skin, evening
Cleanse, lightweight serum, gel moisturiser, then 1 to 2 drops of squalane or grapeseed oil, only on drier areas.

Sensitive skin
Cleanse, simple moisturiser, then 2 drops of sunflower seed oil or squalane. Nothing fragranced.

Using active ingredients
If you use a retinoid, oil can go over it to cushion irritation, or you can wait until it has fully absorbed. Introduce one new thing at a time so you know what’s working.

Common mistakes

• Putting oil first. It blocks everything applied on top.
• Using too much. More is not better. Excess oil sits on the surface and ends up on your pillow and collar.
• Rubbing it in hard. Pressing is gentler and works better.
• Expecting oil to hydrate. Water-based products do that; oil keeps it there.
• Mixing oils at random. Especially with sensitive or breakout-prone skin.
• Ignoring shelf life. Oils high in linoleic acid, such as hemp, rosehip and grapeseed, go off faster. Store them somewhere cool and dark, and bin any oil that smells sharp or like paint.
• Skipping a patch test. Try a small area, such as the inner forearm, for 24 hours before your first full use.
• Trusting comedogenic charts blindly.

Worth knowing: those pore-clogging ratings you see online come largely from tests on rabbit ears. A 2025 review in JAAD Reviews found the results were inconsistent when applied to human skin, and that “non-comedogenic” labels aren’t standardised. Use them as a rough hint, not a verdict.

If you have nut allergies, check the ingredient list. Argan, sweet almond and marula are derived from nuts or nut-like kernels, and some people react to them.

How to avoid a greasy finish

• Use fewer drops than you think you need. Start with two.
• Apply to slightly damp skin so the oil spreads thinly.
• Swap to a lighter oil if your current one leaves you shiny.
• Focus on drier areas (cheeks, around the eyes) rather than the T-zone.
• Wait a few minutes before sunscreen or makeup.
• Warm the oil in your palms first so it spreads smoothly.

If a bottle contains essential oils, remember they aren’t necessary for a good facial oil. Some, such as citrus oils, can make skin more sensitive to sunlight, so I’d generally choose fragrance-free options for daytime.

Bloggers and content creators often repeat the same layering advice without any formulation background or a check on the science. Being able to explain why an order works, and where the evidence is limited, is what separates a routine that suits your skin from one that just looks good on a shelf.

FAQ

Do I need a facial oil at all?

No. It’s an optional extra. If your moisturiser keeps your skin comfortable, an oil isn’t essential. It tends to suit dry, mature or barrier-compromised skin best.

Can oily skin use facial oil?

Yes, if you choose a light, linoleic-rich oil and use very little. Oily skin is often dehydrated too, and a few drops can help balance that.

Can I put facial oil under makeup?

You can, in small amounts. Let it sink in for several minutes first, and choose a light oil to avoid slippage.

Can I mix facial oil with my serum?

Mixing a drop into a serum in your palm just before applying is fine. Don’t add oil to the bottle itself: water-based products and oils aren’t designed to be stored together and can spoil more quickly.

How long does a facial oil last?

Unopened, most last from several months to a year or more, depending on the oil. Once open, aim to use it within six months, and sooner for oils that go off quickly. Rancid oil smells sharp or unpleasant and should be thrown away.

Should I use oil every day?

If your skin likes it, yes. If you’re breaking out or feeling congested, cut back to a few times a week and see how your skin responds.

Conclusion

Layering facial oils comes down to one rule: water-based first, oil last. Everything else is fine-tuning, from how many drops to which oil suits your skin.

Keep it simple, use a small amount, and give any new product a couple of weeks before judging it. Your skin will tell you what it prefers.

References

• Vaughn AR, Clark AK, Sivamani RK, Shi VY. Natural Oils for Skin-Barrier Repair: Ancient Compounds Now Backed by Modern Science. American Journal of Clinical Dermatology, 2018
• Danby SG, et al. Effect of Olive and Sunflower Seed Oil on the Adult Skin Barrier: Implications for Neonatal Skin Care. Pediatric Dermatology, 2013
• Yosipovitch G, et al. Time-Dependent Variations of the Skin Barrier Function in Humans. Journal of Investigative Dermatology, 1998
• Darmstadt GL, et al. Effect of topical treatment with skin barrier-enhancing emollients on nosocomial infections in preterm infants in Bangladesh. The Lancet, 2005
• Comedogenicity in cosmeceuticals: A review of clinical relevance, regulatory gaps, and future directions. JAAD Reviews, 2025
• Squalane as a Promising Agent Protecting UV-Induced Inhibition of Collagen Biosynthesis and Wound Healing in Human Dermal Fibroblast. Molecules, 2025

Love, Patri xx