A tallow shampoo bar does not behave like the shampoo you grew up with, and the first two weeks are where most people decide whether they love it or give up. If your hair felt heavy, waxy, or hard to brush after the first wash, or you are wondering whether you are supposed to follow it with conditioner, this is the guide. Short version: rinse longer than you think, finish with a cheap vinegar rinse, expect a two-to-four-week adjustment, and no, most people do not need a separate conditioner once they are through it.
What a tallow shampoo bar actually is
Our Tallow Shampoo Bar is real soap made for hair: natural tallow, organic olive oil, castor oil and organic coconut oil, saponified with lye, with rhassoul clay to absorb scalp buildup and rosemary essential oil for scent. There is no sodium lauryl sulfate or any other synthetic detergent in it. That is the point of the bar, and it is also why it feels different. Detergent shampoos strip every trace of oil and coat the hair with silicones so it feels slippery afterward. A soap bar cleans without stripping and leaves nothing behind. Hair that has been coated in silicone for years does not know what to do with that at first.
How to use it
- Soak your hair completely. Soap needs plenty of water to lather and to rinse. Hair that is only damp will grab soap and hold it.
- Lather in your hands, then apply to the scalp. Rub the bar between wet palms until you have a creamy lather, then work it into your scalp in sections with your fingertips. You can rub the bar directly on the scalp if you prefer, but keep it off the lengths of your hair. Scalp is what needs cleaning. The lengths get clean as the lather rinses through.
- Massage for a minute. Fingertips, not nails. The rhassoul clay does its work on the scalp, not in the air.
- Rinse for twice as long as you think you need. This is the step people skip, and it causes most "heavy hair" complaints. Rinse with warm water until your hair feels clean and free of slip, then rinse another thirty seconds.
- Finish with an apple cider vinegar rinse. One tablespoon of apple cider vinegar in a cup of cool water, poured through the hair after shampooing, left for a minute, then rinsed out or left in. It smooths the hair cuticle that soap lifts, dissolves any soap film, adds shine, and kills static. The vinegar smell disappears as hair dries. For the first month, do this every wash.
- Let the bar dry between uses. Stand it on a slotted dish or a rack out of the shower spray. A bar that sits in water melts fast. Kept dry, one bar lasts several weeks. One customer reported using less than three quarters of a bar in three weeks of regular washing.
The transition period, honestly
Expect two to four weeks of adjustment if you are coming from conventional shampoo. Two things are happening. First, your scalp has been over-producing oil to compensate for years of being stripped, and it takes a few weeks to settle down, so hair can feel oilier at the roots at first. Second, silicone and product buildup from old shampoos and conditioners has to come off, and as it does, hair can feel waxy, gummy, or dull for a wash or two. Neither is the bar failing. Both pass. Wash a little less often than you used to during this window, use the vinegar rinse every time, and do not judge the bar until you are three weeks in.
"My hair feels heavy, waxy, or hard to brush"
This is the most common complaint we hear, and it has four causes, in order of how often they turn out to be the answer.
- Soap film from hard water. Soap reacts with the minerals in hard water and leaves a faint film, the same stuff that dulls a shower door. Most of Texas and much of the country has hard water. The vinegar rinse dissolves it. If your hair still feels coated after a vinegar rinse, use a slightly stronger one, two tablespoons per cup, or do a final rinse with a jug of filtered or distilled water.
- Not rinsed enough. Soap clings to hair more than detergent does. See step four.
- Bar rubbed on the lengths. The lengths do not need soap. Lather the scalp and let the rinse handle the rest.
- Buildup coming off. If you are in your first two weeks, old product is releasing. Keep going.
Thick, coarse, or curly hair holds more soap and more mineral film than fine hair, so it needs the longest rinse and the vinegar rinse without fail. Fine or thin hair tends to have the easiest time and often gains visible volume once the silicone is gone, which is the result several customers with fine hair have told us about.
Static and dry ends
Soap is mildly alkaline, which lifts the hair cuticle. That is why hair can feel rough or fly away with static after a bar wash, especially in dry winter air. The vinegar rinse is the fix, because it brings the hair back to a slightly acidic pH and lays the cuticle flat. If your ends still feel dry, warm a pea-sized amount of any of our tallow lotions or whipped balm between your fingers and smooth it over the ends only, on damp hair. Several customers use the unscented tallow lotion exactly this way as a leave-in. A little goes a very long way. Do not put it near the roots.
Do you need conditioner?
We do not make one, and most customers find they do not need one once the transition is over. The vinegar rinse does the detangling and smoothing job that a conditioner does for soap-washed hair. If you have long, thick, curly, or color-treated hair and still want more slip, there is nothing wrong with using any conditioner you like on the lengths only, keeping it away from the scalp. The bar is doing the cleaning. The conditioner is only for the ends.
Other things people ask
Will it help my itchy scalp? Many customers tell us an itchy or flaky scalp calmed down after switching, which is consistent with no longer stripping the scalp every day. We are not making a medical claim, and if you have a diagnosed scalp condition, ask your doctor first.
What does it smell like? Rosemary, clearly in the bar and in the lather, then fading to almost nothing as hair dries. It is an essential oil, not a fragrance, so it does not linger. See why our scents are subtle.
Can I use it as body soap? Yes. It is real tallow soap. Our regular soap bars are formulated for skin and lather more, but the shampoo bar works fine in a pinch.
Is it good for travel? It is the reason several customers bought it. Solid, no bottle, no leaks in a suitcase, and it goes through airport security without a thought.
What about kids or men with short hair? Short hair has the easiest transition, often none at all. Lather, rinse, done. Kids' hair is usually free of buildup, so it skips the adjustment too.
Where to get it
The Tallow Shampoo Bar comes as 2 bars for $18 or 4 for $30. Buy the pair, put one in the shower and one in a travel bag, and give it three weeks. Dry lips from the same weather that dries your hair? The Tallow Lip Balm 4 Pack ($16) is the same tallow in a stick.