Curl House Hair Nourishing Leave-In Conditioner
A leave-in conditioner with 15 ingredients, including PHA.
Overview
What it is
Leave-in conditioner with 15 ingredients that contains PHA
Cool Features
It is cruelty-free, fungal acne (malassezia) safe, and reef safe
Suited For
It has ingredients that are good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and better texture
Free From
It doesn't contain any harsh alcohols, parabens, silicones or sulfates
Fun facts
Curl House is from United States. This product is used in 1 routines created by our community.
We independently verify ingredients and our claims are backed by peer-reviewed research. Does this product need an update? Let us know.
What's inside
Ingredients List
Water
Skin ConditioningGlycerin
HumectantEquisetum Arvense Extract
AstringentSalvia Officinalis Leaf Extract
CleansingUrtica Dioica Extract
AstringentRosmarinus Officinalis Leaf Extract
AntimicrobialAnthemis Nobilis Flower Extract
MaskingLavandula Angustifolia Flower Extract
CleansingPetroleum Distillates
SolventPropanediol
SolventBambusa Vulgaris Extract
Skin ConditioningBehentrimonium Chloride
PreservativeGluconolactone
Skin ConditioningSodium Benzoate
MaskingLavandula Angustifolia Oil
MaskingWater, Glycerin, Equisetum Arvense Extract, Salvia Officinalis Leaf Extract, Urtica Dioica Extract, Rosmarinus Officinalis Leaf Extract, Anthemis Nobilis Flower Extract, Lavandula Angustifolia Flower Extract, Petroleum Distillates, Propanediol, Bambusa Vulgaris Extract, Behentrimonium Chloride, Gluconolactone, Sodium Benzoate, Lavandula Angustifolia Oil
Key Ingredients
Benefits
Concerns
Ingredients Explained
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!
Learn more about WaterGlycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.
Topically, glycerin does several things at once:
Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.
Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.
This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.
Just know very high concentrations (>40%) can feel tacky in low humidity.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Learn more about GlycerinThis botanical extract is also known as horsetail extract. It mainly acts as an emollient, skin soother, and astringent.
A study from 2023 found compounds in Equisetum Arvense showed significant anti-inflammatory effects in irritated keratinocytes (the main cell in your outermost layer of skin).
Another study using a cream with horsetail and soybean extract found 80% of participants showed at least a 26% improvement in forehead wrinkles after 8 weeks.
Animal research has shown topical Equisetum Arvense stimulated skin and tissue growth in mice.
The research so far is encouraging, but still in its early days. But it's a lovely supporting ingredient and can be a welcome addition to any routine.
Learn more about Equisetum Arvense ExtractSage leaf extract is a culinary and medicinal herb with antibacterial, antioxidant, and soothing properties.
This ingredient is made up of 75-90% ursolic acid, a potent antioxidant and anti-inflammatory compound.
This ingredient is more commonly known as nettle extract. It has soothing, antimicrobial, and antioxidant properties.
The antimicrobial properties of nettle come from its gallic acid content.
Rosmarinus Officinalis Leaf Extract comes from rosemary. Rosemary is native to the Mediterranean.
While Rosmarinus Officinalis Leaf Oil can be volatile due to its fragrant properties, the fragrance components are usually removed in the leaf extract.
Rosemary Leaf Extract contains many antioxidants such as rosmarinic acid and caffeic acid. Rosemarinic acid, a compound found in rosemary leaf, has been found to help soothe skin conditions such as eczema and acne.
Learn more about Rosmarinus Officinalis Leaf ExtractAnthemis Nobilis Flower Extract is from the Roman Chamomile flower. It helps soothe the skin and contains antioxidants.
Lavandula Angustifolia Flower Extract comes from the lavender plant.
Many components of lavender flowers are antioxidants, such as ferulic acid, caffeic acid, and several flavonoids.
Traditional Iranian folk medicine uses Lavender extract to help treat inflammation.
Lavender extract may have a scent.
It contains linalool, a known allergen. However, lavender extract contains less linalool than lavender essential oil.
Learn more about Lavandula Angustifolia Flower ExtractWe don't have a description for Petroleum Distillates yet.
Propanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.Â
It’s often used to:
Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.
Learn more about PropanediolBambusa Vulgaris Extract comes from bamboo plant. Bamboo extract is skin conditioning and soothing.
Bamboo extract has antioxidant properties. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells, such as pollution. The antioxidant property of bamboo also makes it great at healing wounds.
Bamboos are rich in Vitamin E, Vitamin B6, and copper.
A recent study found bamboo extract might interrupt the process of hyperpigmentation.
Learn more about Bambusa Vulgaris ExtractThis ingredient is a preservative and often used for it's anti-static properties. You'll most likely see this ingredient in hair conditioners.
It does not cause irritation or sensitization in leave-on products at 1-5%.
Gluconolactone is a PHA. PHAs are a great gentle alternative to traditional AHAs.
When applied, Gluconolactone has the same affect on skin as AHAs such as lactic acid. It helps dissolve the dead skin cells in the top layer of your skin. This improves texture and brightens the skin.
PHAs are more gentle than AHAs due to their larger structure. They do not penetrate as deeply as AHAs and take a longer time to dissolve dead cells. Studies show PHAs do not cause as much irritation.
Gluconolactone has some interesting properties:
In a 2004 study, Gluconolactone was found to prevent UV damage in mouse skin cells and has not been found to increase sun sensitivity. However, we still recommend wearing SPF daily.
This ingredient is is an created by reacting gluconic acid with an alcohol.
Learn more about GluconolactoneSodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.
Both the US FDA and EU Health Committee have approved the use of sodium benzoate. In the US, levels of 0.1% (of the total product) are allowed.
Sodium benzoate works as a preservative by inhibiting the growth of bacteria inside of cells. It prevents the cell from fermenting a type of sugar using an enzyme called phosphofructokinase.
It is the salt of benzoic acid. Foods containing sodium benzoate include soda, salad dressings, condiments, fruit juices, wines, and snack foods.
Studies for using ascorbic acid and sodium benzoate in cosmetics are lacking, especially in skincare routines with multiple steps.
We always recommend speaking with a professional, such as a dermatologist, if you have any concerns.
Learn more about Sodium BenzoateLavandula Angustifolia Oil is more commonly known as lavender essential oil. It is considered a fragrancing ingredient.
Lavender imparts a famous scent. While the smell is lovely, this ingredient and may sensitize skin in topical products. This is because about 85% of the oil is made up of linalool and linalyl acetate.
When exposed to air, these two compounds become strong allergens. This ingredient exhibits cytotoxicity at low concentrations; amounts of 0.25% have been shown to damage skin cells.
A study from Japan found this ingredient caused lavender sensitivity after widespread exposure.
Lavender essential oil has some antimicrobial, antibacterial, and anti-inflammatory properties. However, the cons of this ingredient may outweight the pros.
More research is needed to confirm lavender essential oil's effects when used in aromatherapy.
Lavandula Angustifolia is known as the English Lavender and famous for creating purple fields in Provence, France.
Learn more about Lavandula Angustifolia OilReviews
No written reviews yet. Be the first to review this product.
Where it's from
Curl House is a American brand
Often compared with
We're dedicated to providing you with the most up-to-date and science-backed ingredient info out there.
The data we've presented on this page has been verified by a member of the SkinSort Team.
Read more about us· Updated July 16, 2025 • Added by CJ_754