The best products for high porosity hair

What high porosity hair needs from products

High porosity hair has a raised, gappy cuticle, the outer layer of overlapping scales that lifts at the edges instead of lying flat. Water and product slip in fast through those openings, and they slip back out just as fast. So the job a good product has to do is never really about delivering moisture. That part is easy. The job is to smooth and strengthen the surface and then hold the moisture in long enough to matter.

Once you frame it that way, the right products almost pick themselves. You are shopping for three roles, in this order:

• Protein or bond to strengthen. Small hydrolyzed proteins can get into hair and reduce breakage, especially in damaged hair.⁴ Bond builders are marketed to repair bonds inside the hair; independent lab work so far shows a smoother surface but limited direct evidence of bonds being rebuilt, though many people still find them helpful on bleached hair.⁷ Many people with high porosity hair find regular protein helps.
• Rich moisture to fill the strand. Deep conditioners, masks, and heavier creams flood thirsty hair with water and emollients so there is something worth sealing in.
• A heavier seal to slow the loss. Sealing oils and butters sit on the outside of the strand and slow how fast that moisture escapes.¹ High porosity hair simply needs a heavier lid than most.

Everything below is one of those three roles, plus the two cleansers that keep the whole system working. Pick by the job, not by the label on the front.

The product types that work

Here are the six product types that earn a place in a high porosity routine, each with the job it does, an example to look for, and a budget alternative that does the same thing for less.

• 1. Protein or bond-building treatment. This is the strengthener. A weekly or biweekly hydrolyzed-protein treatment can reinforce the strand so it feels less stretchy and weak.⁴ Bond builders such as Olaplex No.3 are marketed to repair bonds inside the hair; the evidence for rebuilt bonds is limited so far, but many people find them helpful on bleached hair.⁷ On a budget, a two-step protein treatment such as Aphogee does heavier lifting for damaged hair. Use it as a treatment, not a daily, and always follow with moisture.
• 2. Rich deep conditioner or hair mask. This is the flood. High porosity hair drains fast, so it benefits from a thick, slip-heavy mask every wash, ideally with a little gentle heat, which helps deep conditioner work in faster. A honey or shea-based masque like SheaMoisture Manuka Honey works well; a budget honey mask such as TGIN Honey Miracle does the same job. Leave it on longer than the bottle says.
• 3. Water-based leave-in for the LOC or LCO method. This is the actual water you are trying to keep. A thin, water-first leave-in or curl milk is the "liquid" step you build everything else on top of. A leave-in spray or milk that lists water (aqua) as the first ingredient is exactly right. Apply it to soaking-wet hair, not towel-dried.
• 4. Sealing oil (argan, castor, jojoba, baobab). This is the lid. A heavier sealing oil goes on last and slows water loss for hours. Castor and baobab are on the heavier end and suit very porous or coily hair; argan and jojoba feel a touch lighter for finer textures. A few drops is plenty. You are sealing, not soaking.
• 5. Gentle or sulfate-free cleanser, or a co-wash. Harsh cleansing strips the little moisture this hair manages to hold. A sulfate-free cleanser or a cleansing conditioner (co-wash) keeps the cuticle calmer between wash days.² Reach for a creamy, sulfate-free wash, or co-wash on the weeks your hair feels especially dry.
• 6. Clarifying shampoo, used occasionally. Sealing oils, butters, and hard-water minerals build up over time, and that film can leave hair stiff and make it harder for moisture to get in.³ A clarifying shampoo every few weeks resets the slate so the rest of the routine keeps working. This is the one product you use rarely and deliberately.

Ingredients to look for and avoid

Once you know the roles, the ingredient list on the back tells you whether a product can actually fill them. These are the ingredients worth reaching for on high porosity hair:

• Hydrolyzed proteins (wheat, keratin, silk, rice) for strength; small hydrolyzed proteins such as keratin can get into hair and reduce breakage, especially in damaged hair.^{4, 5}
• Shea butter and other rich emollients to hold moisture into fast-draining strands.
• Ceramides, which many people find help smooth a damaged, raised cuticle (a common tip rather than a proven fix).
• Sealing oils such as argan, castor, jojoba, and baobab to lock everything in as the final step.

And the ones to be careful with. None of these are forbidden, but they tend to work against high porosity hair if you lean on them:

• Sodium lauryl sulfate (SLS) in everyday cleansers. It is the harsh one, and it can strip the moisture this hair already struggles to keep. Sodium laureth sulfate (SLES) is milder and generally leaves hair in good condition.⁶ Save strong cleansing for the occasional clarifying wash.
• Drying alcohols (such as alcohol denat or isopropyl alcohol high on the list), which evaporate fast; many people find they leave already-thirsty hair more parched. Treat this as a common tip rather than a proven rule.
• Too many lightweight humectants on their own in humidity. Glycerin and honey pull water in, and many people find that on open, porous hair in damp weather they lead to frizz. Use them, but seal them under an oil or cream.

How to layer them

Owning the right products only helps if you stack them in the right order. The shorthand is the LOC or LCO method, and the letters are the whole recipe:

• LOC = Liquid, Oil, Cream. Water-based leave-in first, then a sealing oil, then a richer cream on top.
• LCO = Liquid, Cream, Oil. The same water-based leave-in, then a cream, then the oil as the very last, outermost step.

In both versions the liquid is the moisture you are trying to keep, and the oil and cream are the lid. A common tip is that high porosity hair does best ending on an oil, which is why many people with this hair type prefer the LCO order, with the oil on the very outside of the strand. Try both over a couple of wash days and keep whichever leaves your hair soft the longest the next morning. If you want the full routine and the deep-dive on these methods, the high porosity hair guide walks through it step by step.

Products that work

Below are the kinds of products that suit high porosity hair, described by type rather than brand so you can match the idea to whatever is available to you. Look for these roles in your routine and pick the formula that fits your texture and budget.

Heads up: the links below are affiliate links. If you buy through them we may earn a small commission at no extra cost to you, and we pick by fit, not by commission.

Shopping by product type? See our high porosity guides to the best leave-in conditioner, protein treatment and deep conditioner.

Sources

The research behind this guide. Last reviewed 19 October 2026.

1. Keis K, Huemmer CL, Kamath YK. Effect of oil films on moisture vapor absorption on human hair. Journal of Cosmetic Science. 2007;58(2):135-145. PubMed
2. Gavazzoni Dias MFR. Pro and contra of cleansing conditioners. Skin Appendage Disorders. 2019;5(3):131-134. PubMed
3. Evans AO, Marsh JM, Wickett RR. The uptake of water hardness metals by human hair. Journal of Cosmetic Science. 2011;62(4):383-391. PubMed
4. Malinauskyte E, Shrestha R, Cornwell PA, et al. Penetration of different molecular weight hydrolysed keratins into hair fibres and their effects on the physical properties of textured hair. International Journal of Cosmetic Science. 2021;43(1):26-37. PubMed
5. Gavazzoni Dias MF. Hair cosmetics: an overview. International Journal of Trichology. 2015;7(1):2-15. PubMed
6. Draelos ZD. Essentials of hair care often neglected: hair cleansing. International Journal of Trichology. 2010;2(1):24-29. PubMed
7. Di Foggia M, Boga C, Micheletti G, et al. Structural investigation on damaged hair keratin treated with α,β-unsaturated Michael acceptors used as repairing agents. International Journal of Biological Macromolecules. 2021;167:620-632. PubMed