SMIB Lactobio Hair Dye Shampoo — Gradual Gray Reduction, Dark Brown 6.76 fl oz, Probiotic Daily Formula

SMIB Lactobio Hair Dye Shampoo is a gentle, daily-use Korean formula that gradually darkens gray hair while supporting scalp health with probiotics.

Designed as an alternative to conventional permanent dyes, this shampoo works over repeated uses to blend grays into a natural dark brown tone without harsh chemicals or long processing times. The formulation focuses on mild cleansing, lightweight conditioning, and probiotic ingredients that help maintain scalp balance. Applied like a regular shampoo, it targets gradual color improvement and everyday hair care needs so you can refresh your look without salon visits.

How quickly will I see color changes?

Most users notice subtle darkening after the first few washes, with more visible, even results after consistent use over 2–4 weeks. Results depend on your starting hair color, the amount of gray, and how often you wash your hair.

• Initial tint visible in 3–5 minutes per application for short-term color refresh.
• Gradual, cumulative darkening with everyday or every-other-day use.
• Best results on natural or lightly treated hair; very light or heavily bleached hair may take longer.
• Color intensity builds rather than all-at-once permanent dyeing.

Does it damage hair or irritate the scalp?

SMIB’s formula is designed to be mild and non-greasy, suited for regular cleansing without the stripping effects of harsh dyes. Probiotic extracts and gentle surfactants help preserve moisture and minimize irritation for sensitive scalps.

• No aggressive oxidation or ammonia-based ingredients.
• Light conditioning agents keep hair soft and manageable.
• Formulated for daily use to avoid over-drying or buildup.
• Patch testing recommended for those with very sensitive skin or scalp conditions.

How do I use this shampoo for the best outcome?

Use as you would a regular shampoo: wet hair, apply, lather, leave briefly if desired, then rinse. For a subtle immediate tone, leave the lather on for 3–5 minutes before rinsing; for ongoing gradual darkening, include it in your normal washing routine.

• Apply to wet hair, massage to create lather, and rinse thoroughly.
• For faster visible tint, leave on 3–5 minutes before rinsing.
• Use daily or several times weekly until desired tone is reached, then maintain with regular use.
• Complement with conditioner and occasional deep care treatments for best texture and shine.

Will it work for men and women with different hair types?

Yes — the SMIB Lactobio shampoo is unisex and formulated to suit a wide range of hair textures, from fine to coarse, and both straight and wavy patterns. It’s intended to be lightweight so it won’t weigh down thin hair, while still providing manageability for thicker hair.

• Suitable for straight, wavy, and mildly curly hair types.
• Light formula avoids greasy residue on fine hair.
• Helps improve scalp feel and hair softness across diverse hair conditions.
• Can be part of a maintenance routine after achieving desired color depth.

Who is this for: SMIB Lactobio Hair Dye Shampoo is aimed at people who want a low-effort, at-home way to reduce the appearance of gray hair without permanent dyes or long salon appointments. It fits daily-care routines for men and women who prefer a gentler, probiotic-enriched approach to hair color maintenance and healthier-feeling scalps. If you seek gradual, controllable darkening and a mild cleansing product that supports scalp balance, this product is a practical choice.

Ingredients

Water Sodium C14-16 Olefin Sulfonate Toluene-2,5-Diamine Sulfate Cocamidopropyl Betaine Cocamide Methyl MEA Ethanolamine Fragrance Disodium Cocoamphodiacetate Glycerin Lactococcus Ferment Lysate Glycine Max (Soybean) Seed Extract Saccharomyces Cerevisiae Extract Camellia Sinensis Leaf Extract Sodium Chloride Propylene Glycol Laurate Sodium Sulfite PEG-120 Methyl Glucose Dioleate p-Aminophenol Polyquaternium-10 Tetradecene Hexadecene Resorcinol Disodium EDTA Sodium Sulfate m-Aminophenol 4-Amino-2-Hydroxytoluene Camellia Japonica Seed Oil Ascorbic Acid PEG-150 Pentaerythrityl Tetrastearate 1,2-Hexanediol Dipotassium Glycyrrhizate Hexylene Glycol Helianthus Annuus (Sunflower) Seed Oil Butylene Glycol Citrus Aurantium Bergamia (Bergamot) Fruit Oil Glyceryl Polymethacrylate Citrus Aurantium Dulcis (Orange) Peel Oil Propanediol Propylene Glycol Pelargonium Graveolens Flower Oil Citrus Limon (Lemon) Peel Oil Curcuma Longa (Turmeric) Root Oil Lavandula Hybrida Oil Lavandula Angustifolia (Lavender) Oil Centella Asiatica Extract Hydrolyzed Corn Protein Hydrolyzed Soy Protein Hydrolyzed Extensin Hydrolyzed Rice Protein Hydrolyzed Potato Protein Ocimum Basilicum (Basil) Oil Litsea Cubeba Fruit Oil Polygonum Cuspidatum Root Extract Scutellaria Baicalensis Root Extract Sodium Lactate Glycyrrhiza Glabra (Licorice) Root Extract Pisum Sativum (Pea) Peptide Cananga Odorata Flower Oil Eucalyptus Globulus Leaf Oil Citrus Reticulata (Tangerine) Leaf Oil Rosmarinus Officinalis (Rosemary) Leaf Extract Copper Tripeptide-1 Chamomilla Recutita (Matricaria) Flower Extract Elettaria Cardamomum Seed Oil Santalum Album (Sandalwood) Oil Camellia Japonica Leaf Extract Diospyros Kaki Fruit Extract Ceratonia Siliqua (Carob) Fruit Extract Tocopherol Calcium Oxide Mentha Viridis (Spearmint) Leaf Oil Palmitoyl Tripeptide-1