Argan Oil for Dry, Damaged and Frizzy Hair
Dry, damaged and frizzy hair often arrive together: rough ends that tangle, a halo of flyaways on humid days and a dullness that no amount of shampoo seems to fix. Argan oil is one of the most recommended remedies for all three. It can genuinely help, but it helps in specific ways, and knowing them will save you from using too much or expecting the impossible.
The short answer
Argan oil is a good choice for dry, frizzy hair because, like other oils, it smooths the cuticle, adds slip and can slow the moisture swings that cause frizz. For damaged and bleached hair, lab studies show it can reduce protein loss from chemical treatments. It cannot repair split ends or rebuild broken hair, so pair it with gentle care and trims.
What dry, damaged and frizzy hair have in common
Each hair is wrapped in a cuticle of overlapping scales, like shingles on a roof.1 When those scales lie flat, hair reflects light, slides past its neighbors and holds moisture steadily. When they are lifted or worn away by bleach, heat, sun, brushing or simply age at the ends, hair loses water more easily, catches on itself and swells unevenly in humid air.
Several things push hair in that direction:
- Chemical treatments. Alkaline dyes and bleach swell the fiber, open the cuticle and strip the natural fatty layer that makes hair water-repellent.1
- Heat. In one study, hair dried with a blow dryer held close enough to reach 95°C developed cracks and holes in the cuticle after repeated use.2
- Repeated wetting and drying. Hair swells when wet and shrinks as it dries; that cycle, called hygral fatigue, gradually weakens the fiber.1
- Rough handling. Rubbing with a towel, brushing wet hair and excessive brushing all add up.3
How argan oil helps dry and frizzy hair
It slows the moisture swings behind frizz
Frizz is largely a moisture problem. Damaged hair pulls water from humid air quickly and unevenly, so strands swell and bend out of line. In a study of oil-treated hair, oil films reduced how much moisture the hair absorbed and markedly slowed water moving in and out of the fiber, an effect the researchers likened to moisturizing hair.4 That is the main reason a drop of oil on dry ends makes hair look calmer on a humid day.
It lubricates and smooths the surface
Conditioning products work partly by lubricating the cuticle.1 A thin film of oil does the same, which means less friction when you comb, sleep or tie hair back, and a smoother surface that reflects more light.
It may reduce protein loss from damage
This is where argan oil has its most specific evidence. In a 2022 lab study, hair pretreated with argan oil before exposure to an oxidizing agent lost significantly less protein than unprotected hair, and the oil remained on the hair even after washing.5 In an earlier study, a conditioner containing 1% argan oil reduced protein loss from hair lightened with an oxidative blond dye compared with the same conditioner without it.6
An honest caveat: these are lab studies on hair tresses. A 2022 systematic review found that argan oil does not yet have significant clinical evidence for improving hair quality in people.7 Coconut oil, by contrast, has stronger evidence for reducing protein loss when used before and after washing.8 We compare the two in argan oil vs. coconut oil for hair.
Argan oil for split ends: what it can and can't do
Split ends are the clearest example of what no product can undo. Once the end of a hair has frayed apart, it stays split; oils and serums can glue it down temporarily so it looks neater, but the split will reopen. Over time, splits can also travel up the shaft.
What argan oil can do is reduce the friction and dryness that create new splits. Used regularly on the ends, the oldest and most fragile part of each hair, it keeps them supple. Combine that with trims every few months and splits stay manageable.
Argan oil for bleached hair
Bleached hair needs particular care. It is more porous than untreated hair,1 it has lost much of the lipid layer that made it water-repellent, and it absorbs and loses water quickly, which makes it prone to both dryness and frizz. Those are the conditions in which a light oil helps most.
- Apply a few drops to damp hair after conditioning, focusing on the most processed lengths.
- Use a drop on dry ends between washes.
- Consider a light pretreatment before your next lightening session; our guide to argan oil and hair dye explains the timing.
- For severely damaged, gummy or snapping hair, see a professional colorist about bond-building treatments, and lay off heat and further lightening.
How to use argan oil for dry, damaged hair
Daily
- After washing and conditioning, blot hair with a towel rather than rubbing.3
- Rub one to three drops of argan oil between your palms and smooth them over damp mid-lengths and ends.
- Detangle with a wide-tooth comb, starting at the ends.
- Once dry, press one more drop over the ends and any flyaways if needed.
Pure oil goes a long way here. Our 100% organic argan oil is cold-pressed from unroasted Moroccan kernels and contains nothing else, which means no silicones to build up on porous, damaged hair and no fragrance to irritate the scalp.
Weekly argan oil hair mask
- Start with dry hair. Section it into four parts.
- Apply oil to the lengths. Use about a quarter to a half teaspoon in total for shoulder-length hair, more for long or thick hair. Focus on the mid-lengths and ends and keep it off the scalp if you are prone to breakouts or dandruff.
- Add gentle warmth. Cover with a shower cap or warm towel.
- Leave for 30 minutes to a few hours. Overnight is fine if you protect your pillowcase.
- Shampoo, then condition. Shampoo the scalp first, which helps remove the oil; you may need two rounds.
- Finish with a drop on damp ends.
More variations are in can I use argan oil as a hair mask.
Habits that matter as much as the oil
| Habit | What to do instead |
|---|---|
| Rubbing hair dry | Wrap in a towel and let it absorb water3 |
| Skipping conditioner | Condition after every shampoo3 |
| Shampooing the lengths | Shampoo the scalp and let the rinse run through9 |
| High heat every day | Lowest effective setting, fewer sessions3 |
| Brushing wet straight hair | Let it dry slightly first; comb textured hair damp with a wide-tooth comb3 |
| Frequent color touch-ups | Space out services and do one at a time3 |
If you heat style, use a heat protectant and save argan oil for the finish; we explain why in argan oil before or after blow-drying.
Signs you are using too much
- Hair looks flat or stringy at the end of the day.
- Your hair feels coated or takes longer to dry.
- Your scalp or hairline feels greasy or you get small bumps along the hairline.
Cut back to a single drop on the ends and use a clarifying shampoo once to reset.
For more on frizz specifically, see our earlier piece on the benefits of argan oil for frizzy hair.
Frequently asked questions
Does argan oil repair damaged hair?
It cannot rebuild hair that is already broken, because the visible hair is not living tissue. It can make damaged hair look and feel smoother, and lab studies suggest it reduces further protein loss from chemical treatments.
How often should I use argan oil on dry hair?
A drop or two on the ends can be used daily. A heavier pre-wash mask once a week is plenty for most people. If hair starts to look limp or greasy, cut back.
Can argan oil fix split ends?
No product can permanently fuse a split end back together. Argan oil can smooth the ends so splits are less visible and may help prevent new ones by reducing friction, but trimming is the only way to remove them.
Is argan oil good for bleached hair?
Bleached hair is porous and loses its natural water-repelling lipid layer, so it usually responds well to a light oil. In a lab study, argan oil pretreatment reduced protein loss from oxidative damage. Pair it with gentle handling and conditioning.
Sources
- Gavazzoni Dias MFR. Hair cosmetics: an overview. Int J Trichology. 2015;7(1):2–15. Link
- Lee Y, Kim YD, Hyun HJ, Pi LQ, Jin X, Lee WS. Hair shaft damage from heat and drying time of hair dryer. Ann Dermatol. 2011;23(4):455–462. Link
- American Academy of Dermatology. 10 hair care habits that can damage your hair. Link
- Keis K, Huemmer CL, Kamath YK. Effect of oil films on moisture vapor absorption on human hair. J Cosmet Sci. 2007;58(2):135–145. Link
- Sharifi N, Hamedeyazdan S, Shokri J, Monajjemzadeh F. Argan oil as a pretreatment of human hair before exposure to oxidative damage: attenuated total reflectance and protein loss studies. J Cosmet Dermatol. 2022;21(10):5010–5017. Link
- Faria PM, Camargo LN, Carvalho RSH, Paludetti LA, Velasco MVR, da Gama RM. Hair protective effect of argan oil (Argania spinosa kernel oil) and cupuassu butter (Theobroma grandiflorum seed butter) post treatment with hair dye. J Cosmet Dermatol Sci Appl. 2013;3:40–44. Link
- Phong C, Lee V, Yale K, Sung C, Mesinkovska N. Coconut, castor, and argan oil for hair in skin of color patients: a systematic review. J Drugs Dermatol. 2022;21(7):751–757. Link
- Rele AS, Mohile RB. Effect of mineral oil, sunflower oil, and coconut oil on prevention of hair damage. J Cosmet Sci. 2003;54(2):175–192. Link
- American Academy of Dermatology. Tips for healthy hair. Link
