Gradient Bump Map or Label

[tomlai]

No micro offsets creating airgaps .... just separate the SURFACES and apply correct materials and IOR in keyshot

[tomlai]

Use standard Rough normal ....
open in PS
select all
Create Pattern

Canvas Size -1000%
Paste pattern

Create mask
Create vertical Gradient
Apply Gaussian Blur

You get a hi-res rough normal texture

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Apply to bottle using cylindrical map (no repeat)
Rotate cylindrical mapping to match axis of bottle
Scale to fit usually x axis scale is 10
Y axis scale to fit prolect object

Voila
gradient bump map
You can use other available texture normals as well for different patterns /logo etc

[tomlai]

one more render