>>> recently i got a versace lambskin lather blazer (black colour). the jacket was already shining and has aglossy finished leather.
Your description sounds like an "aniline-dyed" lambskin leather with a glossy finish.
>>> Then i decided to apply an apple brand leather conditioner in order to protect it.
There are two levels of conditioning, one for the structure thickness below the surface and one on top to protect it. It seems that you are looking for surface protection. The appropriate leather protector should be Leather Doctor Protector B or the leather scent version, Protector B Plus. This is a non-stick, rub-resistant protector that reduces wear and prolongs the highest level of appearance at all times. The other below-the-surface conditioner you may need periodically to soften and strengthen the leather is Leather Doctor Hydrator 3.3 and Fatliquor 5.0 system, which returns the leather to its original tannery softness.
>>> but when i applied in small area , i noticed a blue material on the wipe and the leather became less glossy.
The blue material on the wipe is a combination of dyestuff and original fatliquor that was removed due to alkaline overexposure from the product you used. You may not have noticed that the tanning agent was also removed, and the surface feels tacky when tested with a wet finger. Additionally, the gloss topcoat has been removed and will need to be refinished to restore the natural gloss with Aniline Top 21G.
>>> then next day when it dried i noticed somehow the oil restored littile bit again !
This is the negative darkening effect caused by the product clogging all the breathing pores. When leather darkens due to oil saturation, it loses its ability to allow air to pass through the skin, and your blazer loses its comfort, just like wearing a sweaty plastic blazer. To soften the leather, Hydrator 3.3 and Fatliquor 5.0 restore its softness and strength while allowing for comfortable breathing.
>>> should i continue applying the conditioner or shall i use something else?
The above products I mentioned are found in this Lambskin Leather Jacket Care Kit LJ3
Click the link to learn more . . .
https://leatherdoctor.com/lambskin-l...-care-kit-lj3/
Roger Koh
Leather Care System Formulator
Consultant / Practitioner / Instructor / Coach
web:
www.leatherdoctor.com
forum:
www.leathercleaningrestorationforum.com
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[email protected],
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phone: 604 773 1878