Castor Oil For Wrinkles On The Neck And Around The Eyes

Castor oil for wrinkles is everywhere right now.

A few drops under the eyes at bedtime. A smear down the neck. Wake up, and apparently the lines have packed their bags.

I mean, who wouldn’t want that, right?

But here’s the bit the videos skip. Castor oil is the thickest oil in most people’s cupboards, and the eyes and neck are the two places where thick, sticky products cause the most bother.

(Blurred vision and tiny white bumps are not the glow-up anyone was promised.)

That doesn’t mean you should bin the bottle.

Used in the right amount, in the right place, castor oil can make dry lines look softer. It just can’t do what the internet says it does.

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 natural wellness.

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. This never influences what I recommend, and I only mention products and ingredients I genuinely believe may be useful.

How to get softer-looking lines without upsetting delicate skin

Here’s what you’ll walk away with:

• A straight answer on wrinkles. You’ll know which lines castor oil can soften and which it can’t touch, so you don’t spend three months waiting for a result that was never on offer.
• Fewer expensive mistakes. The eye area and neck have specific risks, and a few small habits avoid most of them.
• A routine that takes two minutes. A rice-grain amount is enough for the eyes. No elaborate ritual needed.
• A ready-to-make blend. Exact amounts for a light eye blend and a slightly richer neck blend, so you aren’t guessing.
• A way out. If castor oil isn’t right for your skin, you’ll know what to use instead.

What castor oil can (and can’t) do for wrinkles

Castor oil is an emollient. It sits on the skin and slows water loss, which helps skin stay smooth and supple.

That’s a real, useful job. Moisturisers do much more than “add moisture”, and a good one helps the skin barrier hold on to water (Lodén, 2003).

Well-hydrated skin looks plumper, and dehydration lines often soften within days. That is a cosmetic, temporary effect. It is also a genuine one.

Castor oil is around 85 to 90% ricinoleic acid, an unusual fatty acid that makes the oil thick and sticky. It is also the reason castor oil has a reputation as “anti-inflammatory”.

That reputation comes from animal experiments, which I’m firmly against, and which can’t tell us how the oil behaves on human skin anyway (Vieira et al., 2000).

Claim	Where the evidence stands
Moisturises and softens the look of fine lines	Well supported. This is basic emollient behaviour.
Helps protect the skin barrier	Plausible. Occlusive oils reduce water loss.
Calms irritated skin	Emerging. Mostly lab and animal data, not human trials.
Erases deep wrinkles or “tightens” skin	Not supported. No clinical trials show this.
Boosts collagen on the neck or eyes	Not supported. Often repeated online, never shown in people.

Good to know: dehydration lines and structural wrinkles look similar in the mirror, but they’re different things. Lines that appear when your skin is dry and ease after moisturising are the ones an oil can help. Deep creases from years of movement and sun exposure need other tools.

This is where many bloggers and content creators go wrong. Most have no training in cosmetic science, so a traditional use or a single lab study gets passed off as a proven anti-wrinkle result.

Take castor oil’s history. It shows up in the Ebers Papyrus, an Egyptian medical scroll from the 16th century BCE, which includes a baldness remedy made from pounded castor-oil plant beans.

That’s fascinating, and it tells us people have used the plant for a very long time. It doesn’t tell us the oil smooths wrinkles.

Is castor oil safe on skin?

Short answer: yes, for most people. The Cosmetic Ingredient Review panel concluded that castor oil is safe as used in cosmetics, and its highest recorded use level (81%) was in lipstick.

You may also have heard it contains ricin. It doesn’t. The same safety review states that ricin does not partition into the oil (Int J Toxicol, 2007).

Safe on lips is not the same as comfortable next to the eyes, though. That’s where the next section comes in.

Why the neck and eye area need different rules

Eyelid skin is the thinnest on the body, at around 0.5 mm. Skin over most of the body averages about 2 mm.

It also has very few oil glands, which is why the area under your eyes feels dry first.

The neck has its own problem. It has fewer oil glands than the face, it’s thinner, and it tends to get left out of moisturiser and sunscreen routines (J Drugs Dermatol, 2023).

Put those together and you get skin that dries out easily and shows it. Both areas benefit from a light, careful touch rather than a thick coat.

Precautions for the eye area and neck

Around the eyes

• Keep castor oil off the lash line and away from the inner corners. It’s thick, it migrates, and in the eye it stings and blurs vision.
• Watch for milia. These tiny white bumps are trapped keratin. Heavy, occlusive products are often blamed for them, so stop if you spot new ones.
• Leave essential oils out. They add irritation risk near the eyes without a clear benefit.
• Contact lens wearers: pop your lenses in first, wash your hands, then apply the oil. Oily fingers smear lenses.
• If oil gets in your eye, rinse with clean water. If stinging or blurred vision lingers, see a pharmacist or doctor.

On the neck

• Apply gently and smooth upwards. Pulling the skin downwards doesn’t help.
• Keep it off any broken or sunburnt skin.
• Remember sunscreen. Oil does nothing for sun protection, and the neck is easy to forget.

How to patch test properly

The American Academy of Dermatology says even products labelled “natural” or “clean” can cause a reaction. Their advice is to test on a small area twice daily for seven to ten days.

1. Dab a small amount on the inner forearm, or just below the jawline.
2. Leave it on as long as you normally would.
3. Repeat twice daily for seven to ten days.
4. Watch for redness, itching, swelling or a rash. If you see any, wash it off and stop using it.

Don’t patch test on your eyelids. Use the forearm or jawline, then introduce the oil near the eyes slowly.

Castor oil allergy is uncommon, but it’s possible. A proper test is much cheaper than a reaction.

What you need

For the blends below, you only need a few simple ingredients.

• Castor oil (regular, cold-pressed, hexane-free)
• A light carrier oil: jojoba oil or squalane
• Optional: rosehip oil for the neck blend
• Optional: vitamin E to help protect the blend
• A small dropper bottle in dark glass

Choosing the best castor oil for face use

• Cold-pressed and hexane-free, clearly labelled as cosmetic grade.
• Dark glass (amber, blue or green) rather than clear plastic.
• One ingredient only. On a label it appears as Ricinus communis (castor) seed oil.
• No fragrance.
• Skip “Jamaican black castor oil” for the eye area. It’s mostly sold for hair, and I’d keep it away from thin skin.

How to apply castor oil in small amounts

Less is better here. Castor oil is one of the thickest plant oils, so a little goes a long way.

1. Cleanse and leave your skin slightly damp. Oils seal in water. They don’t add it.
2. Use a rice-grain amount for both eye areas combined, and about a pea-sized amount for the neck.
3. Warm it between your fingertips so it spreads instead of dragging.
4. Tap it along the bone under the eye and at the outer corner, well back from the lash line.
5. Smooth the neck upwards and outwards in light strokes.
6. Press your palms over the area for a few seconds. Warmth helps the oil settle.

Use it in the evening. If you can still see a shine twenty minutes later, you’ve used too much. Tissue off the excess rather than sleeping on it.

What to mix castor oil with

Straight castor oil is usually too heavy for delicate skin. Blending it with a lighter oil improves the feel and lowers the chance of clogging.

Blend with	Why it works
Jojoba oil	Light, and closely resembles the skin’s own oils.
Squalane	Very light and non-greasy. A good choice for sensitive skin.
Rosehip oil	Rich in fatty acids. A nice partner for dry, mature neck skin.
Vitamin E (tocopherol)	An antioxidant that helps protect the blend from going off.

Light eye blend (about 10% castor oil)

• 1 ml castor oil
• 9 ml jojoba oil or squalane
• 1 or 2 drops vitamin E (optional)

Richer neck blend (about 20% castor oil)

• 2 ml castor oil
• 6 ml jojoba oil or squalane
• 2 ml rosehip oil
• 1 or 2 drops vitamin E (optional)

From a formulation perspective: keep water out of the bottle completely. A blend with water and no preservative invites bacteria. Make small batches, label them with the date, and use within three months, or sooner if it smells off.

Good to know: not every “natural” oil is kind to the skin barrier. In a small randomised trial of 19 adults, olive oil applied to the forearm for four weeks reduced the skin’s barrier integrity and caused mild redness, while sunflower oil kept the barrier intact (Danby et al., 2013). The oil you choose matters.

Common mistakes

• Using castor oil neat, straight from the bottle.
• Applying it right up to the lash line.
• Skipping the patch test because it’s “just an oil”.
• Expecting it to erase deep lines or tighten skin.
• Layering it over a retinoid on the same night without checking how your skin reacts.
• Forgetting daily sunscreen on the neck.

How often to use it and how to store it

Start with every second evening for two weeks. If your skin is calm, move to nightly.

Store the blend in a cool, dark place with the cap on tightly. Don’t dip fingers into the bottle; use the dropper.

Not sure where an oil fits in your routine? My guide to the correct order of skincare products covers it.

When to choose a different ingredient

Castor oil is a moisturiser, not a wrinkle treatment. If you want to change how lines form, other options have far stronger evidence.

1. Daily sunscreen. Sun exposure is a major driver of visible skin ageing, and this is the step the neck misses most.
2. Retinoids. The best-studied topical for fine lines. They can irritate thin skin, so ask a pharmacist or dermatologist about using one near the eyes.
3. Hyaluronic acid or glycerin serums. Lighter than any oil, and a better fit if you’re prone to milia. See my hydrating skincare ideas. A vegan hyaluronic acid serum is a simple place to start.
4. Bakuchiol. A plant-based option often chosen by people who find retinoids too harsh. It has less research behind it.
5. Sunflower oil or squalane. Lighter oils that suit most skin types and sit better under makeup.

Skip castor oil altogether if you’re prone to milia, you react to the patch test, or the area around your eyes is oily.

See a doctor or dermatologist for swelling, persistent redness, itching, any eye symptoms, or if you want help with deep lines or very crepey skin.

If essential oils are on your mind, read my guide to anti-ageing essential oils first.

Frequently asked questions

Can I use castor oil on my neck every night?

If your skin tolerates it, yes. Start every second night for two weeks and see how your skin responds.

Is castor oil safe around the eyes?

Many people tolerate a small amount applied well below the lash line. It isn’t risk-free, which is why the patch test and the rice-grain rule matter.

How long before I see a difference?

Softer-looking dry lines can show within days. Anything beyond that, such as firmer skin or fewer wrinkles, isn’t supported by evidence.

Can I use castor oil with retinol?

You can, but use them on separate nights at first. Oil layered over a retinoid can make irritation more likely.

Does castor oil clog pores?

You’ll see “comedogenic” ratings online, but treat them with caution. They were built on rabbit ear tests, which I strongly disagree with, and one researcher described the model as only valuable for distinguishing absolute negatives.

The ratings also describe pure ingredients, not finished blends. Your own skin has the final word.

What about using it on my whole face overnight?

That’s a different topic, and I cover it in castor oil on face overnight.

The honest bottom line

Castor oil can be a lovely, inexpensive way to soften dry lines on the neck and under the eyes, as long as you use a tiny amount, keep it well away from the lash line and patch test first.

It won’t erase wrinkles, and no oil will. Pair it with daily sunscreen and, if you want more than moisture, an ingredient with proper evidence behind it.

That combination will do far more than any single bottle.

References

• Vieira C, et al. Effect of ricinoleic acid in acute and subchronic experimental models of inflammation. Mediators of Inflammation, 2000
• Lodén M. Role of topical emollients and moisturizers in the treatment of dry skin barrier disorders. American Journal of Clinical Dermatology, 2003
• American Academy of Dermatology: How to test skin care products before use
• Final report on the safety assessment of Ricinus communis (castor) seed oil and related ingredients. International Journal of Toxicology, 2007
• Danby SG, et al. Effect of olive and sunflower seed oil on the adult skin barrier. Pediatric Dermatology, 2013
• Evaluation of a neck cream developed to enhance nitric oxide availability in aging skin. Journal of Drugs in Dermatology, 2023

Love, Patri xx