mundane Posted April 30, 2020 Share Posted April 30, 2020 why does the fragrance of the perfume last longer if we spray it on the part of our body where we have applied non fragrant lotion or vaseline? Link to comment Share on other sites More sharing options...
iNow Posted April 30, 2020 Share Posted April 30, 2020 I'm not sure it does, but if we assume this is true then almost certainly it's because the lotion or petroleum jelly do a better job of holding on to the volatile scent compounds and molecules than bare skin does. They evaporate off the bare skin more rapidly than the lotion or vaseline where they're more likely to remain "caught." 1 Link to comment Share on other sites More sharing options...
mundane Posted April 30, 2020 Author Share Posted April 30, 2020 3 minutes ago, iNow said: I'm not sure it does, but if we assume this is true then almost certainly it's because the lotion or petroleum jelly do a better job of holding on to the volatile scent compounds and molecules than bare skin does. They evaporate off the bare skin more rapidly than the lotion or vaseline where they're more likely to remain "caught." could you be more specific? like how do alcohol and oil work together? Link to comment Share on other sites More sharing options...
iNow Posted April 30, 2020 Share Posted April 30, 2020 I'm not sure I can, no. I am curious why you'd focus on the alcohol as opposed to the olfactory compounds, though Link to comment Share on other sites More sharing options...
StringJunky Posted April 30, 2020 Share Posted April 30, 2020 2 hours ago, iNow said: I'm not sure it does, but if we assume this is true then almost certainly it's because the lotion or petroleum jelly do a better job of holding on to the volatile scent compounds and molecules than bare skin does. They evaporate off the bare skin more rapidly than the lotion or vaseline where they're more likely to remain "caught." Yes, that's the same function as ambergris in expensive perfumes. Link to comment Share on other sites More sharing options...
Aconitin Posted April 30, 2020 Share Posted April 30, 2020 3 hours ago, mundane said: could you be more specific? like how do alcohol and oil work together? Here's my theory: The components of a perfume that smell good might be mainly lipophilic (I think essential oil are used often, and those are lipophilic). If they are sitting on your skin, they are directly exposed to influences like warmth and oxygen, causing them to break down or evaporate quite fast. If they are applied onto a lipophilic base, they can diffuse into this base and probably also partially into the skins top layer (as this is lipophilic to)? Link to comment Share on other sites More sharing options...
letsalcido Posted June 4, 2020 Share Posted June 4, 2020 On 4/30/2020 at 10:31 AM, Aconitin said: Here's my theory: The components of a perfume that smell good might be mainly lipophilic (I think essential oil are used often, and those are lipophilic). If they are sitting on your skin, they are directly exposed to influences like warmth and oxygen, causing them to break down or evaporate quite fast. If they are applied onto a lipophilic base, they can diffuse into this base and probably also partially into the skins top layer (as this is lipophilic to)? Yup, this is a sound hypothesis Link to comment Share on other sites More sharing options...
25007 Posted June 8, 2020 Share Posted June 8, 2020 Do their molecules bind or something? Link to comment Share on other sites More sharing options...
Edmond Nzivugira Posted August 30, 2020 Share Posted August 30, 2020 I think those perfumes don't really last long on our bodies but rather in our clothes... these clothes are holding them until they are washed Link to comment Share on other sites More sharing options...
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