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The Apothecary Os

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Seeds & seed gels for natural hair

Seeds give slip, soft hold, moisture and shine to textured and natural hair. Here is what each one does, how to make the gels, and where to use them.

Gels & Slip — best for gels and leave-ins

These seeds hold water and release a slippery gel (mucilage). They give slip for detangling, soft hold and lasting moisture on textured and natural hair.

Chia Seed

Salvia hispanica

Main compounds
Amino acids, omega-3 fatty acids (alpha-linolenic acid), plant protein and minerals.
How it's used
Releases a thick, slippery gel when soaked or simmered in water.
On hair and scalp
Coats the strand to hold in moisture, smooths the cuticle so hair looks less frizzy, and gives plenty of slip for easy detangling.
Safety
Patch test first. Water-based gel spoils fast: preserve it or keep it in the fridge.

Full oil profile: Chia Seed Oil in the ingredient library.

Flaxseed

Linum usitatissimum

Main compounds
Omega-3 fatty acids, plant protein and soluble fiber (mucilage).
How it's used
Simmered in water, the seeds release a clear gel that is strained off while hot.
On hair and scalp
Gives soft, flexible hold with no crunch or flakes, helps curls clump and look defined, and adds slip.
Safety
Patch test first. Flaxseed gel spoils in days without a preservative. Flaxseed oil goes rancid quickly, so the gel is the better form for hair.

Fenugreek Seed (Methi)

Trigonella foenum-graecum

Main compounds
Niacin (nicotinic acid), lecithin, protein, saponins and flavonoids.
How it's used
Swells when soaked and releases a slippery gel. It can be simmered into a liquid rinse or ground into a smooth paste.
On hair and scalp
Leaves strands feeling smooth and conditioned, helps a dry, itchy-feeling scalp feel comfortable, and helps reduce breakage from brushing and styling.
Safety
Fenugreek is in the bean and pea family. People allergic to peanuts or other legumes may react to it. It has a strong maple-like smell that can linger in hair. Patch test first. If pregnant or breastfeeding, ask a doctor first.

Scalp Oils & Extracts — best for serums and scalp oils

These seeds are used as oils, teas and extracts for scalp care. They help the scalp feel calm and comfortable and help hair look fuller and shinier.

Fennel Seed

Foeniculum vulgare

Main compounds
Iron, copper, folate, niacin, flavonoids and phenolic compounds.
How it's used
Brewed in hot water as a tea or rinse, or infused in oil. The seed tea is not the same as fennel essential oil, which has its own usage limits.
On hair and scalp
Antioxidants help protect hair from everyday stress, keep the scalp feeling fresh and leave hair feeling soft and moisturized.
Safety
Fennel is in the carrot and celery family. People allergic to celery, carrot or mugwort may react to it. Patch test first. If pregnant or breastfeeding, ask a doctor first.

Black Seed (Kalonji)

Nigella sativa

Main compounds
Thymoquinone, nigellone, omega-3 and omega-6 fatty acids, and antioxidants.
How it's used
Used as a cold-pressed oil or a concentrated herbal extract.
On hair and scalp
A scalp oil that helps the scalp feel clean and calm, boosts shine, and helps strands resist breakage.
Safety
Strong scent. Patch test first. If pregnant or breastfeeding, ask a doctor first.

Full oil profile: Black Seed Oil in the ingredient library.

Pumpkin Seed

Cucurbita pepo

Main compounds
Zinc, magnesium, plant sterols (such as beta-sitosterol) and amino acids.
How it's used
Used as a cold-pressed carrier oil or a powdered extract.
On hair and scalp
Helps the scalp hold its natural moisture and helps thin-looking hair look fuller.
Safety
People with seed allergies should be cautious. Patch test first.

Full oil profile: Pumpkin Seed Oil in the ingredient library.

Sealing & Gloss — best for sealing and shine

These seeds give lightweight oils that seal in moisture, soften the hair and add a glossy finish.

Sesame Seed (black or white)

Sesamum indicum

Main compounds
Calcium, iron, copper, vitamin E, sesamin and unsaturated fats.
How it's used
Used mainly as a rich carrier oil.
On hair and scalp
Softens dry, weak-feeling strands to reduce breakage, nourishes the skin of the scalp and adds natural shine.
Safety
Sesame is one of the top food allergens. Label it clearly and handle it with the same care as tree nuts.

Full oil profile: Sesame Oil in the ingredient library.

Sunflower Seed

Helianthus annuus

Main compounds
Vitamin E (tocopherol), oleic acid and linoleic acid.
How it's used
Gives a light, fast-absorbing oil.
On hair and scalp
Seals the cuticle without weighing hair down, helps strands resist breakage from the elements and adds a smooth, glossy finish to dull hair.
Safety
Patch test first. People with seed allergies should be cautious.

Full oil profile: Sunflower Oil (High-Linoleic) in the ingredient library.

How to make seed and plant gels

Always use distilled water and clean tools. Any water-based gel without a preservative lasts only 3–5 days in the fridge. Do not sell or gift it unpreserved.

Flaxseed gel

Whole flaxseed and distilled water · Clear gel with soft, flexible hold.

  1. Simmer the seeds in distilled water, stirring, until the water turns thick and slippery.
  2. Strain while hot through a fine mesh bag or stocking. It is too thick to strain once it cools.
  3. Cool before use, then add preservative in the cool-down step.

Seed-to-water amount: to be confirmed with a cosmetic chemist.

Chia seed gel

Whole chia seeds and distilled water · Thick, very slippery gel. Lighter hold than flax.

  1. Soak or gently simmer the seeds in distilled water until a thick gel forms around them.
  2. Strain through a fine mesh bag. Squeeze gently to collect the gel.
  3. Cool before use, then add preservative in the cool-down step.

Seed-to-water amount: to be confirmed with a cosmetic chemist.

Fenugreek (methi) gel

Whole fenugreek seeds and distilled water · Slippery, conditioning gel with a strong maple-like scent.

  1. Soak the seeds in distilled water until they swell and the water turns slippery.
  2. Simmer for a thicker gel, or blend the soaked seeds into a smooth paste for a mask.
  3. Strain if using as a rinse or gel. Cool, then add preservative in the cool-down step.

Seed-to-water amount: to be confirmed with a cosmetic chemist.

Marshmallow root infusion

Dried marshmallow root and distilled water · Thin, slippery liquid. Adds slip more than hold.

  1. Cold-infuse the root in distilled water to keep the slip. Heat breaks it down.
  2. Strain well. Pairs with flaxseed gel for hair gels.
  3. Add preservative in the cool-down step.

Usage in a formula: 1–5% (from the Botanicals database).

Profile: Botanicals database

Sea moss gel

Cleaned sea moss and distilled water · Smooth, thick gel that adds slip and a light feel.

  1. Use a sea moss gel made for cosmetic use, or follow your supplier's method.
  2. It is water-based, so it needs an emulsifier in creams and butters, plus a preservative.

Usage in a formula: 10–20% in hair butters, 15–25% in scalp products (from the app's sea moss data).

What to use seed gels in

  • On its own as a styler. A soft-hold curl gel. The app's Flaxseed & Aloe Styling Gel recipe uses 70% flaxseed gel.
  • Leave-ins and curl creams. Add as the water phase. The Builder starts seed gels at 12%, the same as sea moss and aloe.
  • Curl and twist creams. The Curl & Twist Defining Cream recipe uses 5% flaxseed gel or flax extract for soft hold without flakes.
  • Hair masks. Blend fenugreek paste or a seed gel into a rinse-off mask. Rinse well, since seed gels can leave residue.

Safety and allergies

  • Patch test every new seed product on the inner arm for 48 hours before using it on the scalp.
  • People with seed or nut allergies should be careful, especially with sesame and pumpkin. Fenugreek is in the bean and pea family, and fennel is in the carrot and celery family.
  • If pregnant or breastfeeding, ask a doctor before using concentrated seed products.
  • Seed gels can leave residue. Rinse masks well, and use a small amount in leave-ins.
Add a seed gel to a formula in the Builder →

Frequently asked

Do seed gels need a preservative?

Any water-based gel without a preservative lasts only 3–5 days in the fridge. Do not sell or gift it unpreserved. If you sell it, add a broad-spectrum preservative such as Geogard ECT at your supplier's rate.

Which seed gel gives the most hold?

Flaxseed gel gives the firmest soft hold. Chia gel is more slippery with lighter hold. Fenugreek gel is mainly for conditioning and slip.

Is eating seeds the same as putting them on hair?

No. This guide covers putting seeds on hair and scalp in a cosmetic product. It does not cover diet.

Can I put seed gel in a body butter?

Only with an emulsifier. Seed gels are water, and water and butter separate without one. The Builder adds the emulsifier and preservative for you when you pick a seed gel.

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