This does nothing for my lashes. It takes a long time to dry and when it is applied under mascara it removes the volume if anything and makes the lashes straight. The white shade is just a gimmick to make people think it's a serum rather than a mascara. They could easily produce this in a black shade but it makes the person applying it believe there is a greater impact because their lashes are transformed from white to black after they've applied their mascara.
I haven't noticed any difference to the length or volume of my lashes but if I do I will add it to this review. I would not buy this again.

This is a fantastic primer to be applied before the mascara. Just a light coat will make my lashes look even longer and thicker than before. I don't mind it being white and not transparent in colour as the white can't be seen once I go over it with my mascara. Less is more with the lash plumping serum and you must be careful not to apply too much as it can cause your clashes to clump together. Now that I've seen the differences that this products makes to my lashes, I'm never going without it again. It's expensive @SGD 46, but I will certainly repurchase.

Absolutely astonishing! Lengthens, lifts, and thickens dramatically. I use a tubing mascara over it (EL, L'Oreal, Kevyn Aucoin, and others) and everything stays put until I'm ready to wash my face in the evening, despite my tendency to squint and my oily eyelids. I'm very impressed.

An amazing lash primer. I have not used the Shiseido one so I can't make that comparison, but it definitely performs better than most primers. I have medium length lashes that are longer in the middle of the eye and shorter at the outer corners, which can be frustrating when I try to apply mascara at the outer end, but this product really evens out my lash volume and length! You can see the volume and length it adds since the serum is white. Amazing consistency - very creamy without weighing down lashes. I feel that it really conditions them. I wear it with mascara during the day and as a night time before treatment. Would not rec applying until right before bed though, as you may find all the additional length and volume without mascara to be uncomfortable.

Would buy again but it is quite expensive, but better alternative to Revitalash.

Ok so this product has dramatically improved my eyelash growth and appearance. I have had my tube for over 6 months now and it shows no signs of even being close to finished, or even drying out. I usually use it to prime before mascara, and occasionally at night. It does not blend well with all mascaras, and can sometimes make your lashes look very light. You have to find the perfect combo. I use covergirl lash blast. My lashes look huge, and are very black with this combo. Love this stuff.

Yes, this is expensive but I really think it helps strengthen my lashes and when you put mascara over this, my lashes pop! They look so long and so dark and it really gives my lashes a lot of volume. I bought this product on a whim and I'm really happy I did. When I don't wear this under my mascara, I definitely notice a different. I love this stuff!

Wow wow wow! I'm getting quite skeptical the more beauty products I buy, but this is my HG! It's rare for me. The effect is probably not that dramatic, but it's such a nice primer! It curls my lashes and holds the curl all day (my shu uemura curlers are left untouched) and it's not a bitch to remove (like Shiseido was, though more dramatic). I don't know about the lash growth, but it does condition nicely, my lashes are healthier. It's a staple, I can't imagine applying a mascara without it.

I got a sample of this from Sephora, and WOW - it makes my eyelashes SO long! I haven't tried it out as a serum, but it's an amazing primer. It does tend to make my mascara smudge a little, which is why I'm giving it a 4 instead of a 5 - but WOW - the length I get is amazing. I've never had such long lashes in my life.

This stuff is awesome. It makes my eye lashes look fuller, more curled and wonderful. This is definitely HG for me.

I was very skeptical about the serum aspect of this but as a primer it worked like a dream-my lord my lashes looked
awesome defined,
voluminous, blacker than
black with diorshow blackout
on top. Against my better
judgement and being pushed
into trying it on at night as a
serum by a friend I was
absolutely shocked.. I have a
pretty fair amount of long thick
and curly lashes but after 5
days of using this serum at
night and sometimes even
during the day by itself I was
amazed my lashes have filled
out even more they literally
fan out like falsies, grew a little longer, and I swear my lashes have gotten blacker? I
never believed in lash serums and such especially with the side effects some cause (the Brooke shields one for
example changes pupil color) and never really needed lash growth but this
primer/serum is worth every cent!

EDIT: it's been 8 weeks and I couldnt be happier my lashes are much thicker and longer than before and on lazy days I can get away with wearing no mascara. This serum has filled out my lashes so even where I had little or none now it's covered no sparse lashes anywhere. I use this every morning and night as a serum and already stocked up just in case lol. But seriously this is one product that needs to be in every girl or guys beauty arsenal it works great as a serum or primer either way your going to be amazed!!!