Atomic Hair Repair Leave-In Treatment

Repairs daily. Two peptides bond to damaged keratin sites inside the fiber, rebuilding structure where heat, color, and chemistry tore it down.

Smooths from the inside out. A protein-silane film locks the cuticle flat — less frizz, more shine, faster styling.

Holds moisture in. A humectant and amino acid complex pulls water into the fiber and keeps it there.

Lightweight, always. No rinse. No weight. No commitment beyond your damp-hair moment.

Most leave-ins protect the surface. Atomic goes in.

Oligopeptides are short chains of amino acids small enough to slip past the cuticle and into the cortex — where damage actually lives. Once inside, they bond to broken keratin sites and rebuild the scaffolding heat, color, and chemistry tore down.

Atomic uses two peptides that work in different layers. SH-Oligopeptide 78 mimics Type II keratin to reinforce the protein structure inside the fiber. Biotinoyl Tripeptide-1, a biotin-fused peptide, anchors the work and supports fiber resilience from the inside.

Built at the molecular level. Felt at every level.

The actives we built around:

Never: sulfates, parabens, phthalates, mineral oil, drying alcohols, or anything we wouldn't put on our own hair.

1. Towel-dry. After washing, gently squeeze excess water from hair.
2. Pump. 1–2 pumps for short or fine hair. 3–4 for long or thick. A little goes a long way.
3. Distribute. Brush or finger-comb through mid-lengths to ends. Skip the scalp.
4. Style. Air-dry, blow-dry, or heat-style. No rinse.
5. Layer. For heat days, mist Chemical Addiction Peptide Bonding Spray on top before any tool.

Pro move — Daily on damp hair builds compounded results. For visibly damaged hair, double up: pumps on damp hair before styling, plus a touch on dry ends mid-day.

Atomic Hair Repair Leave-In Treatment was named 2025 Award Winning Nourishing Cream by Prevention Hair Awards Australia.

Verified customer review featured in the award coverage:

“I love how compact this is — perfect for travel — and just a small amount delivers big results! A little goes a long way. It leaves my hair feeling soft, smooth, and healthy without weighing it down. Plus, it protects against heat and helps tame frizz — it's a must-have in my routine.”
— Cecily, verified user

The peptide chemistry is the same across hair types; the dosing shifts by density and texture.

Type 1 and 2 (straight to wavy): 1–2 pumps on damp hair, mid-lengths to ends. The peptide load supports daily repair without weighing down fine to medium textures.

Type 3 (curly): 3–4 pumps distributed through the curl pattern with finger-rake or wet brush. Higher dose for color-treated or porosity-imbalanced curl types.

Type 4 (coily) and high-porosity: 5–8 pumps for high-density coily hair, focused mid-lengths to ends. The peptide load compounds across the stretched week on weekly-wash routines, where Atomic carries daily repair between washes.

Color, balayage, keratin, relaxer — all safe at daily frequency. Atomic was formulated alongside stylists working across every hair type and every chemical service.

If your hair feels rough by mid-day, looks dull by week's end, or breaks before it grows out — this is your daily repair.

We don't believe wellness stops at the body. The way you train, eat, hydrate, recover — your hair deserves the same intentionality. Atomic is the daily ritual that fits into the moments you're already in — the wet hair after the gym, the post-color appointment, the morning before a long day.

Rooted in Miami. Bright, bold, multicultural, unfiltered. Built for momentum.

2oz / 59ml — Everyday counter staple. Lives in your bathroom. Refilled when empty.

4oz / 118ml — Heavy-use, shared-household, salon-ready. For the long-haired, the regulars, the families.

Trial size? Try the Atomic Hair Repair Leave-In Treatment Mini — 15ml of the same formula for $7.60.

Atomic is Step 05 Restore — the daily peptide repair. Pair it with the rest of the system:

• Step 01 · Cleanse: Pure Detox Clarifying Shampoo weekly clarifier.
• Step 02 · Protect: Chemical Addiction Peptide Bonding Spray before any heat or chemical service.
• Step 03 · Nourish: Renew Porosity Balancing Oil on dry hair.
• Step 04 · Balance: Total Refresh Shampoo + Conditioner daily.
• Weekly intensive: AquaLush Peptide Fiber Mask weekly — the weekly intensive for deep hydration.

Subscribe & Save — 15% off, every 1, 2, or 3 months. Skip or cancel anytime.

How often can I use it?
Daily. Apply to damp hair after every wash, or refresh dry ends mid-day. There's no over-using a properly-dosed leave-in.

Color, keratin, relaxed — all safe?
Yes, yes, yes. Formulated with stylists working across every chemical service.

Do I need to rinse it out?
No. Leave it in. That's the point — the peptides need to stay on the fiber to do the structural work.

Will it weigh my hair down?
Not in stylist testing. 1–2 pumps is enough for most hair types. Fine hair? Stick to one. Thick hair? Build to three or four.

Made where?
Formulated and bottled in Miami.