Most homemade hair care comes down to six ingredients. Castile soap cleans, glycerin and aloe hold moisture, apple cider vinegar balances pH, a carrier oil seals, and cornstarch or arrowroot absorbs. Nearly every recipe on this page is a different ratio of those six things, which is why making your own gets cheaper and faster the longer you do it.
This guide covers what each ingredient does, how to work out which products your hair actually needs, and how to put them in the right order. Every recipe linked below is one I use.
This article shares general information, not medical advice. Patch test new mixtures before use and keep them out of reach of children and pets.
The six ingredients almost every recipe uses
Liquid castile soap is a plant based cleanser. It lifts oil and product residue without sulfates. It is also more alkaline than commercial shampoo, which matters for the next ingredient.
Apple cider vinegar lowers pH. Hair looks shiny when the cuticle lies flat, and the cuticle lies flat in slightly acidic conditions. This is why an ACV rinse after a castile soap wash makes such a visible difference, and why skipping it is the most common reason people decide homemade shampoo “does not work.”
Vegetable glycerin pulls moisture from the air into the hair. It adds slip so hair detangles after washing. In very dry air it can work in reverse and pull moisture out, so use less in winter.
Aloe gel does a similar job to glycerin with a lighter feel. Use it when glycerin leaves hair limp.
A carrier oil seals the cuticle after moisture is in. Lighter oils like jojoba and argan suit fine hair. Heavier ones like coconut and castor suit thick or coarse hair.
Cornstarch or arrowroot powder absorbs oil at the roots without water. Arrowroot is finer and disappears more easily in dark hair.
Work out what your hair needs before you mix anything
Three things determine which recipes will work for you, and none of them are the label on your current shampoo.
Your water
Hard water leaves mineral film on hair that regular shampoo is not formulated to remove. If your hair feels coated after washing, your soap does not lather well, or you see white residue on the shower head, you have hard water. That single fact changes your whole routine: you will need to clarify more often and rinse with acid more often.
Your porosity
Drop a clean strand of hair into a glass of water. If it sinks quickly, the cuticle is open and your hair absorbs moisture fast but loses it just as fast, so it needs oils to seal. If it floats, the cuticle is tight and heavy products sit on top rather than absorbing, so it needs lighter formulas and less oil.
What is actually going wrong
Most hair complaints trace back to one of three causes. Build-up makes hair flat, coated and dull. Dryness makes it rough, frizzy and prone to breakage. Damage from heat or color makes it split and lose elasticity. Each one has a different fix, and using the wrong fix usually makes things worse. Clarifying dry hair makes it drier. Oiling built-up hair makes it heavier.
The order things go in
Sequence matters more than any individual recipe. This is the full rotation, though most weeks you will only use the first few steps.
- Clarify every two to four weeks to strip build-up and hard water film. Skip this if your hair already feels dry.
- Wash with a gentle homemade shampoo on regular wash days.
- Acid rinse after any castile soap wash to flatten the cuticle and restore shine.
- Condition mid lengths to ends, never the scalp.
- Treat with a mask or scalp oil once a week, before washing rather than after.
- Protect with a heat protectant before any hot tool.
- Style, and stretch time between washes with dry shampoo.
The two steps people skip are the acid rinse and the heat protectant, and those are the two that cause the most damage when missed.
The recipes
Cleansing
Start with homemade shampoo made from natural ingredients for everyday washing. When hair stops responding, roots feel coated, or curls will not spring back, switch to DIY clarifying shampoo for a deeper reset. Clarifying is a reset, not a routine. Using it every wash is the fastest way to dry your hair out.
Between washes, homemade dry shampoo for blonde or dark hair absorbs root oil and buys another day or two. The blonde and dark versions differ mainly in whether you add cocoa powder to keep it from showing.
Conditioning and moisture
Follow every wash with a homemade hair conditioner on the mid lengths and ends. Once a week, one of these DIY hair mask recipes does the deeper work, and masks are most effective applied to dry hair before washing rather than after.
Scalp and growth
If you are dealing with thinning, breakage at the hairline, or just want thicker looking hair, DIY hair growth oil is a scalp treatment rather than a styling product. It goes on before washing and comes out with the shampoo.
Protecting and styling
Use a natural heat protectant spray before a blow dryer, curling iron or straightener. Heat damage is cumulative and not reversible, so this is the recipe worth being strict about. Finish with simple natural hairspray, which holds without the stiffness or alcohol of commercial versions.
Storage, and the mistake nearly everyone makes
Homemade hair products have no preservatives. Anything containing water grows bacteria, usually within one to two weeks, and you will not always be able to see or smell it.
Make small batches. Label them with the date. Use water based mixtures within seven days and throw out anything that changes in look or smell. Oil based products last longer, often several months, because there is no water for bacteria to grow in. Store everything away from the shower’s heat and steam.
The mistake is making a large batch to save time. It does not save time, it wastes ingredients, and it is the one genuine safety issue in homemade hair care.
What not to do
- Do not use undiluted essential oils. They are natural and still irritants, and they are not recommended around pregnancy, babies or cats.
- Do not add vinegar to a bottle of castile soap. The acid curdles the soap. Vinegar is always a separate rinse.
- Do not use baking soda on hair. It is far too alkaline and it causes breakage over time, whatever the older blog posts say.
- Do not expect immediate results. Hair takes two to six weeks to adjust when you change your routine, and it often looks worse before it looks better.
- Do not change everything at once. Swap one product, give it a month, then swap the next. Otherwise you will not know what worked.
Frequently asked questions
Is homemade hair care actually cheaper?
Yes, once you have bought the base ingredients. A bottle of castile soap, glycerin, ACV and a carrier oil costs roughly what two salon products cost and will make dozens of batches across every recipe on this page.
Why does my hair feel worse since I switched?
Usually one of two things. Either you are skipping the acid rinse after a castile soap wash, which leaves the cuticle raised and the hair feeling rough, or your hair is in the adjustment period, which runs two to six weeks.
Can I use these recipes on color treated hair?
Yes, with two changes. Clarify less often, because deep cleaning accelerates fade, and rinse with cool water rather than warm.
Do these work on curly hair?
Yes, and curly hair often responds better than straight hair because it tends toward dryness and these recipes are gentler than commercial formulas. Go lighter on clarifying and heavier on the masks and oils.
How long do homemade hair products last?
Water based products such as shampoo and conditioner last about seven days. Oil based products such as growth oil and heat protectant last several months. Dry shampoo, which contains no water, keeps indefinitely if it stays dry.
Do I need special equipment?
No. Measuring cups, measuring spoons, and a squeeze bottle or jar cover everything here. No scale and no specialist supplies.