• Hair Oil Serum Capsules
  • Before and after
  • No measuring, sealed fresh, travel
  • Frizz back in 2 hours? It's the amount, not your hair
  • Argan avocado macadamia + vitamins A,E,B5
  • Before and after across hair types
  • How to use
  • 90-day money-back guarantee
1 8

Leave-in hair oil · 40 single-use capsules

Turn frizz into smooth, glossy hair you control.

Twist open one capsule and smooth a weightless layer of oil through your hair.

4.8 162 reviews
4.7 ★★★★★ ★★★★★ (650+) ratings on Amazon Amazon's Choice
$89.85 $59.90
  • Smoother, glossier, more manageable hair
  • Frizz-free, even through humidity
  • All the shine, none of the grease
Stock Up & Save
$29.95
$29.95/each
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Free shipping · arrives by Jul 19
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Paraben & Sulfate Free
Cruelty-Free & Vegan-Friendly

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See It In Action

Product info
  • Suitable forFrizz-prone, dry-feeling, dull or hard-to-tame hair that won’t sit smooth — fine, wavy, curly or coily. Made for hair that needs daily smoothing and shine, not a one-off treatment.
  • Feels likeA weightless layer of oil that smooths instantly — no greasy film, no sticky residue. Adds slip, softness and shine that last through the day.
  • How to useA leave-in finish for damp hair: twist open one capsule, smooth from mid-length to ends, don’t rinse, then dry and style as usual.
  • What’s insideArgan (shine & frizz control), avocado (lightweight moisture) and macadamia (softness), plus vitamins A, E and B5.
  • Why the capsuleOne exact dose every time, so you never over- or under-apply. Sealed until use, so the formula is fresh every application. The capsule is biodegradable — zero bottle waste.
  • ScentLightly fragranced.

How to use
  • 1Twist open one capsule

    Twist open

    Pinch and twist the tab to open one single-use capsule.

  • 2Squeeze the serum into your palm

    Squeeze it out

    Squeeze the serum into your palm. One capsule is the exact dose, every time.

  • 3Rub between your palms

    Warm between palms

    Rub your palms together to spread the oil evenly.

  • 4Smooth through hair, mid-length to ends

    Smooth through hair

    Work from mid-length to ends on damp or dry hair. Don’t rinse. Then dry and style as usual.

Delivery & returns
  • Shipping$2.99 standard shipping – FREE on orders $50+. Arrives in 2–4 business days.
  • ExpeditedTracked expedited shipping. 2–3 business days. $11.00
  • Returns90-day money-back guarantee. Email info@sohl-id.com with your order number for a prepaid return label.

Money-back guarantee

90-Day Money-Back Guarantee

  • The promiseTry it risk-free. If your hair isn’t smoother and shinier, or you’re just not happy, you get every cent back. You have a full 90 days. No questions asked.
  • How to returnEmail info@sohl-id.com with your order number. We’ll send a prepaid return label. We process your refund within 5 business days of receiving your return.

Ingredients
  • Argan oil

    Argan oil

    • Adds shine
    • Smooths & tames frizz
    • Softens the surface
  • Avocado oil

    Avocado oil

    • Lightweight moisture
    • Softens dry-feeling hair
    • Won’t weigh it down
  • Macadamia oil

    Macadamia oil

    • Silky slip
    • Conditions without grease
    • Smooths the look of strands
  • Vitamin A

    Vitamin A

    • Conditions & softens
    • Antioxidant support
    • Helps hair look healthy
  • Vitamin E

    Vitamin E

    • Antioxidant
    • Helps guard against dryness
    • Adds smoothness
  • Vitamin B5

    Vitamin B5

    • Helps hair hold moisture
    • Adds softness
    • Boosts shine
Full ingredients (INCI): Cyclopentasiloxane, Dimethiconol, Betaine, Dimethicone/Silsesquioxane Copolymer, Macadamia Ternifolia Seed Oil, Persea Gratissima (Avocado) Oil, Paraffinum Liquidum, Argania Spinosa Kernel Oil, Tocopherol, Pantothenic Acid, Retinyl Palmitate, Fragrance.
View full details
Arrives by Jul 19
Hair Oil Serum Capsules 1 ITEM
Arrives by Jul 19
$29.95

Before & After

Before and after hair transformation

MY CURLS LOOK INCREDIBLE

I have 3B curls and live in Miami so frizz is basically my personality at this point. One capsule before leaving the house and my curls stayed defined until I got home. That literally never happens.

Before and after hair transformation

MY FINE HAIR ACTUALLY HAS SHINE NOW

Every oil I've ever tried made my hair look like I hadn't washed it. I was honestly done with oils completely. Tried one capsule and my hair looked glossy, not greasy, not flat. I kept checking the mirror because I couldn't believe it.

Before and after hair transformation

IT ACTUALLY PENETRATES MY 4C HAIR

Most products just sit on top of my hair and don't do anything. This one I could actually feel sinking in. My wash day results last way longer now and my hair stays soft between washes.

Before and after hair transformation

SAVED MY BLEACH-DAMAGED ENDS

I was about two bad days away from chopping all my hair off. The ends were crunchy and breaking. Two weeks of using a capsule after every wash and it's like I got a completely different head of hair.

Before and after hair transformation

HUMIDITY DOESN'T WIN ANYMORE

I have thick wavy hair and I live in Texas. By lunchtime my hair usually looks like I stuck my finger in a socket. Not anymore. One capsule and it stays smooth the whole day. I'm buying three more bottles.

Works on All Women & All Hair Types

WORKS ON MY CURLS

3C curls here. This is the first product that gives me definition AND shine without that heavy, weighed down feeling. My curls actually bounce now. I've repurchased twice already.

WORKS ON MY FINE HAIR

I gave up on oils years ago because everything made my thin hair look greasy by noon. One capsule gives me just enough. Shiny, bouncy, and my volume is still there at 5pm.

WORKS ON MY 4C HAIR

Nothing ever worked on my 4C hair without leaving buildup. This actually absorbs. My twist-outs are shinier, softer, and last so much longer. No residue, no flaking. Just healthy hair.

WORKS ON MY THICK HAIR

My hair is so thick and dense that most products barely make a dent. One capsule somehow smoothed the whole thing down without making it flat. My sister borrowed mine and now she wants her own.

WORKS ON MY COLOR-TREATED HAIR

I get my hair highlighted every 8 weeks and the damage was getting really noticeable. My ends aren't snapping off anymore and the color actually looks brighter. My stylist asked me what I changed.

WORKS ON MY AGING HAIR

After 45 my hair just changed. Thinner, dryer, lost all its shine. I was scared to use oil because of how little hair I have left. One capsule was the perfect amount. My hair looks like it did ten years ago.

Frequently Asked Questions

Will this make my hair greasy or weighed down?

No. Each capsule contains a pre-measured dose, so you physically cannot over-apply. That's the whole point of the capsule format. Whether you have fine, thick, curly, or coily hair, one capsule gives you glossy, smooth results without the greasy look. Most oils fail because you use too much from a dropper or pump. That problem doesn't exist here.

How does the capsule work?

Twist or cut open one capsule and apply the oil to damp or dry hair, focusing on mid-lengths and ends. Each capsule is sealed until you open it, so the formula stays fresh and full-strength every time. No oxidation, no half-used bottle losing potency. One capsule, one perfect dose, zero waste.

I have fine hair. Won't oil make it flat?

This was designed with fine hair in mind. The capsule delivers the exact amount fine hair needs, so there's no risk of over-applying and ending up with flat, limp hair. The blend of argan, avocado, and macadamia oils is lightweight. You get shine and smoothness without losing any volume.

Can I use this every day without buildup?

Yes. The formula is designed for daily use with no buildup. One capsule per use means your hair gets exactly what it needs and nothing more. No residue accumulating over time, no heaviness after a week of use. Use it every wash day or every morning as a finishing step.

Will this work on my hair type?

Yes. This formula works across every hair type and texture: fine and straight, thick and wavy, 3B-3C curls, 4C coils, color-treated, bleached, relaxed, transitioning, and natural. The capsule means you always use the right amount whether your hair is fine and easily weighed down, or thick and needs every drop. The argan, avocado, and macadamia oil blend with vitamins A, E, and B5 smooths the hair shaft, adds shine, and reduces frizz no matter your texture.

Is this worth the price compared to regular hair oils?

Each bottle has 40 capsules. That's 40 precisely dosed uses with zero waste. No product left in the pump, no oil oxidizing in a half-empty bottle, no guessing how much to use. Per use, it costs less than a coffee. You also get three oils (argan, avocado, macadamia) plus vitamins A, E, and B5 sealed fresh in every capsule, not a single-ingredient oil from a dropper bottle.

Does it hold up in humidity?

Yes. The oil blend seals the hair cuticle, which is what keeps humidity from causing frizz. Whether you live in Miami, Houston, New York in July, or anywhere with heat and moisture, the results hold through the day. One capsule in the morning and your hair stays smooth, defined, and frizz-free.

What's actually in each capsule?

Three natural oils: argan oil (shine and smoothness), avocado oil (deep penetration and moisture), and macadamia oil (lightweight hydration without heaviness). Plus vitamins A, E, and B5 for hair strength and protection. Each capsule is sealed fresh, so the formula doesn't oxidize like it would sitting open in a bottle. Every capsule is full-strength. The capsule shell itself is biodegradable.