Question : Comprehension: Read the given passage carefully and answer the questions that follow. If you pay close attention to soap advertisements, you may hear of its pH value being claimed perfect for human skin. But is there really such a thing? Let's start at the beginning. pH (potential Hydrogen) is defined as the concentration of hydrogen ions in a solution. pH value ranges between 0 and 14.7 is the neutral point, 0 being the most acidic and 14 being the most alkaline. More importantly, your skin isn't exactly pH 5.5; it falls in a range between 4.0 and 7.0, depending on diverse factors like the body part, age, genetics, ethnicity, and environment conditions.
So, are products formulated at pH 5.5 perfect for skin? The short answer: not really! First, parameters like texture and other ingredients indicate a cleanser's quality, much better than pH alone. Second, though the skin pH rises slightly immediately after cleaning even with plain water, it reverts to its mild acidic pH in an hour. Healthy skin quickly rebalances the 'acid mantle' - a protective layer over the skin - and is unaffected in the long term by the cleanser's pH. Skin modulates pH, making skin products function optimally. So, why market pH 5.5 products as "perfect"? Well, for certain skin types (e.g., oily skin) and certain skin conditions (like acne), an increase in pH can aggravate these skin situations. This might lead to an interpretation that a skin care product needs to be at a 5.5 pH for optimum cleansing. Hence, skincare experts have expressed reservations about pH being the sole criterion of product safety and 'acid mantle' preservation when factors including plain water may contribute to the same. Thus, an ideal product is almost impossible to define. So, look well beyond pH alone.
Question: "Is there really such a thing?" By "such a thing" the author is referring to:
Option 1: the perfect soap for all skin types
Option 2: the perfect pH value for human skin
Option 3: soap advertisements
Option 4: close attention paid to advertisements
Correct Answer: the perfect pH value for human skin
Solution : The correct choice is the second option .
The author questions the claim often made in soap advertisements about a product having an ideal pH value for human skin, suggesting scepticism about whether a single pH level can be universally perfect for everyone's skin.
Therefore, by "such a thing," the author is referring to the perfect pH value for human skin.
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Question : Comprehension: Read the given passage carefully and answer the questions that follow. If you pay close attention to soap advertisements, you may hear of its pH value being claimed perfect for human skin. But is there really such a thing? Let's
Question : Comprehension: Read the given passage carefully and answer the questions that follow. If you pay close attention to soap advertisements, you may hear of its pH value being claimed perfect for human skin. But is there such a thing? Let's start
Question : Comprehension: Read the given passage carefully and answer the questions that follow. If you pay close attention to soap advertisements, you may hear of its pH value being claimed to be perfect for human skin. But is there really such a thing?
Question : Comprehension: Read the following passage and answer the questions that follow. Before the advent of soap, the primary cleansing agent in ancient India was taken from soap nuts (reetha) from the plant Sapindus saponaria. The literal translation of
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