CHANGES DURING EVAPORATION OF EMULSION 21 ·.T .,. = -· = .- ... t-...._,.., .i-11"M1baa--,_ •··" ,,,. ·- i""��K. • � �. . ,,. ... ., ii � ' __,,l - -...�. �·lr a.. .,. ·''1T·,'. I .. ;4 r - c, , ... � ,,. - l..,.-- ill " ''ill': � ., � :.. 1• ' ·- � - I. - 11,f, •\ .. � .. i,;-�, � !. .... :1 .. ,., . -r,,. - � ·r . � ;.i 'tP �.:. i:i ' :i �I � i: � � "· ,.,. � ..,. I -, ,. � - . II'. ,.-.;t 1___, �P1� ... �, � r,,,. � .,j -� . •t /�' � ·� - ... ·•�;.,.J,� I� � II ' � �� ,I, � ft ... 7: ., JI .-� l � • - _] - � � _ l� I " .. � '!I! I .. foli '-i,, ., • �1 I '11 � .. ,,. ,, � 1- ' 'JI ... ( � � l .. ;,'!: :'ti �� !!' � •' - " ... - - .. I ,,�:] Ir ,1 i•,r ,� ,. �" Ji,. . ...... I :'a· � '"' F, � Ito, �. � :■ , � ... ·� .. i: -. I lo -. I!':', ... - -. r, � � � ''Il �- - - � & ·::II . - ... .:J j ' ...j - •�.-, ,-, ,. ' .,,, .,. ..... � "" t ;, ,d.io � . � ,. ,,. .;..- - If ~ , l ,,, �· .. - r, ... � ... ,, ) - �: � !'I '-t- .. � -• � i: r - 1i ii, �.�· -� ... ,., . .., .-- r ,_. .,, 1,.. :..., Iii• �·c:.,,,, ,..,, - • ,. � [", ·., �- .,. ..I ... ] - "ll (a) (b) Figure 4. Optical microscopy photographs of the three layers depicted in Figure 3. Magnification 400x. (a) Top layer, without crossed polarizers. (b) Middle layer, without crossed polarizers. (continued)

22 JOURNAL OF COSMETIC SCIENCE (c) Figure 4 (continued). (c) Bottom layer, without crossed polarizers. Figure 5. Microscopy photo of the emulsion after evaporation of 40%. Magnification: 400x.