Revitalise thinning hair with Jack Black Double Header 2 in 1, an all-in-one shampoo and conditioner that works to gently cleanse and detangle the hair whilst hydrating and treating a dandruff-prone scalp.

Fortified with a PureScience® formula, the creamy, sulphate-free blend combines creatine with coconut oil and mineral-packed organic kelp to nourish, thicken and strengthen strands. Expect rejuvenated hair with a fuller appearance and healthy, hydrated scalp. - K.N.

Free from parabens, fragrance and colorants. Dermatologist tested and cruelty-free.

Made in the USA.

Product Details

  • Jack Black
    • Massage a small amount into wet hair and scalp.
    • Rinse.
  • Water (Aqua), Disodium Laureth Sulfosuccinate, Sodium Methyl Cocoyl Taurate, Cocamide MEA, Cocamidopropyl Hydroxysultaine, PEG-7 Glyceryl Cocoate, Amodimethicone, Sodium Lauryl Sulfoacetate,  Sodium Lauroyl Sarcosinate, Decyl Glucoside, Lauryl Glucoside, Glycerin,  Coconut Oil Glycereth-8 Esters, Dimethicone, Shea Butter Glycereth-8 Esters, Cocos Nucifera (Coconut) Water, Citrus Grandis (Grapefruit) Peel Oil*, Camellia Sinensis Leaf Extract*, Macrocystis Pyrifera (Kelp) Extract*, Ocimum Basilicum (Basil) Leaf Extract*, Cocos Nucifera (Coconut) Oil, Oryza Sativa (Rice) Extract, Hydrolyzed Lupine Protein, Oryza Sativa (Rice) Seed Protein, Salvia Lavandulaefolia (Sage) Leaf Oil, Phytic Acid, Creatine, Mentha Piperita (Peppermint) Oil, Panthenol, Citric Acid, Ethylhexylglycerin, Glycol Distearate, Acrylates Copolymer, Cetrimonium Chloride, Polyquaternium-10, Trideceth-12, Polyquaternium-7, C11-15 Pareth-7, Laureth-23, PEG-150 Distearate,  Laureth-4, Sodium Phytate, Laureth-9, Dipropylene Glycol, Cystine Bis-PG-Propyl Silanetriol, Sodium Hydroxide, BHT, Phenoxyethanol, Chlorphenesin, Potassium Sorbate, Sodium Benzoate, Benzyl Alcohol, Limonene, Linalool *Certified Organic.

  • 473ml

Jack Black

Jack Black Double Header 2 in 1 (473ml)


In stock Usually dispatched within 24 hours

Delivery Information

UK next day delivery available until 9pm plus over 160 countries shipped to worldwide.

If ordered before 9pm, delivered by courier next working day. Available on orders placed before 9pm (2pm weekends and Bank Holidays) for delivery next business day. Applies to most delivery addresses within mainland UK.

Returns Policy

We are confident that you will be happy with your purchase. However, if you are not satisfied you can return your item for a full refund.

Please see our returns policy.

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Jack Black Double Header 2 in 1 (473ml)

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Jack Black Double Header 2 in 1 (473ml)