Not all bottle-less shampoos are equal

並非所有無瓶洗髮皂都是一樣的

There are two main types of shampoo bars:

Soap based – Though they are mild cleansers, nearly all are highly alkaline. They open up hair cuticle making hair brittle, and open up scalp pores losing moisture causing pre-mature scalp aging.

Surfactant based – Most use very harsh surfactants, though some are mild. Their acidity levels are normally lower than soap, but are still above pH5.5 in general. We need something lower than 5.5 to maintain the smoothness of hair and calm scalp skin pores.

Both types have difficulty incorporating water soluble (i.e., absorbable) herbal content. Their oil-based nutrient contents will mostly be washed away by the surfactant or soap without benefitting your hair and scalp.

In short, shampoo bars are not all the same. Moreover, some features of traditional liquid shampoo may not be easily replaceable by shampoo bars.

市面上主要有兩種主要類型的洗髮皂：

皂基類—大多數是高度鹼性的。它們會打開頭髮角質層使頭髮變脆，並打開頭皮毛孔令其失去水分的。

表面活性劑類 — 儘管有些是溫和的，大多數使用刺激性表面活性劑。它們的酸度水準通常低於肥皂，但總體上仍高於 pH5.5。 我們需要低於5.5的東西，以保持頭髮的光滑和平靜的頭皮毛孔。

此外，這兩種洗髮皂主要使用油性成分，而不是一般洗頭水用的水溶性和可吸收的草藥成分。他們的油基養分會被表面活性劑或皂洗走，而不會幫助你的頭髮和頭皮。

簡言之，不同的洗髮皂並不完全相同。此外，傳統液體洗髮水的某些功能是不容易被洗髮皂取代。

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