Wrinkles are due to the loss of collagen as you age. Why don\'t topical ointment

Question

Wrinkles are due to the loss of collagen as you age. Why don't topical ointments work on the cause of wrinkles?

They only affect the epidermis and collagen is in the dermis

They penetrate to the dermis but do not replace collagen

They only act on the subcutaneous fat, not the collagen

They only act on the dermal fat, not the collagen

They only affect the epidermis and collagen is in the dermis

They penetrate to the dermis but do not replace collagen

They only act on the subcutaneous fat, not the collagen

They only act on the dermal fat, not the collagen

Explanation / Answer

They only affect the epidermis and collagen is in the dermis.

Topical collagen creams do not work much because the topical absorption of collagen is poor. The collagen molecules are too large to get absorbed through skin.

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