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Porous hair is described as what?

  1. Strong and resilient

  2. Brittle and dry

  3. Easily penetrated

  4. Resistant to chemicals

The correct answer is: Easily penetrated

Porous hair is described as easily penetrated because it has a loose, open cuticle that allows for easy absorption of moisture and substances. This makes it prone to damage and breakage, leading to brittle and dry hair. It is not considered strong and resilient because it lacks the ability to retain moisture and withstand external factors. It is also not resistant to chemicals, as the open cuticle makes it more susceptible to damage from chemical treatments.