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Nutritional Supplement

PK4 SOYA PROTEIN BOOST Nutritional Supplement
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Booster for hair condition and quality

Developed by Philip Kingsley's expert Trichologists, our PK4 Soya Protein Boost supplements are fortified with amino acids and protein to help improve hair quality.

Please note that these supplements are discontinued and will expire in January 2024.

Key Ingredients.

Soya Protein

Soya Protein is a source of essential amino acids, which are the building blocks of Keratin – the protein that hair is made of.

100% Recyclable
Planet-friendly Packaging
Step by Step Guide

How to Apply

  1. Take two capsules twice daily (four per day)
  2. Take with water
  3. Capsules can also be sprinkled over a yogurt or a smoothie as an alternative to swallowing
Need to know a bit more?

Frequently Asked Questions

We answer some common queries about Pk4 Supplements.

If you have more questions you can submit a question below or visit our Help Centre to speak with our Customer Care Team.

No, we are very proud to say that all of our products are cruelty-free.

Yes, all over our product bottles are made from 100% renewable and recyclable bioplastic.

You can try our Hair Quiz to find the right product for your hair, or contact one of our online hair consultants.

Reviews & Questions

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