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What does your dog weigh?
When was this ingested? Any symptoms thus far?
Given the nature of most hand lotions, anything that may be significant in making her very sick is likely in very low concentrations, except for the oils. This may cause some diarrhea but with the small amount eaten may not be severe. I would give her some white bread now to help absorb some of the oil and you may not see any diarrhea. If you do, you can always start adding some white rice to her next couple of feedings to help, or even stick with a bland diet for a couple of days of boiled chicken/white rice (1:1 ratio). The oils in the lotion are going to be lubricating the GI tract and pushing things along quicker than normal, but a bland diet or at least some white rice should help bind things up firmer again and then the normal diet can be continued thereafter. You shouldn't have to worry about toxicity, luckily.
Best wishes, let me know if I can help with anything further.