Table 2 Comparison showing effects of products on fingerprints

1.

Mustard oil (viscous)

Identifiable fingerprint pattern, no clear ridge details and visibility of sweat pores, merging of the ridges, very dark appearance of the fingerprint, broadened up margins of the ridges, and medium development of fingerprints

2.

Parachute jasmine oil (non-viscous)

Identifiable fingerprint pattern, clear ridge details, no merging of the ridges and visibility of sweat pores, dark appearance and strong development of fingerprints, and no clump-like structure formation on the ridges

3.

Nivea lotion (greasy)

Identifiable fingerprint pattern, partially clear ridge details, no visibility of sweat pores, very dark appearance of the fingerprint, clump-like structure formation on the ridges, and medium development of fingerprints

4.

VLCC lotion (non-greasy)

Identifiable fingerprint pattern, clear ridge details, no merging of the ridges and visibility of sweat pores, light appearance of the fingerprint, few clump-like structure formation on the ridges, and strong development of fingerprints

5.

Lifebuoy hand sanitizer (alcohol-based)

Fingerprint pattern can or cannot be identified, ridge details not clear, visibility of sweat pores, no merging of the ridges and clump-like structure formation on the ridges, very light appearance of the fingerprint, partially visible fingerprint, and weak development of fingerprints

6.

Kudos hand sanitizer (non-alcohol based)

Identifiable fingerprint pattern, clear ridge details, no merging of the ridges, visibility of sweat pores, light appearance of the fingerprint, no clump-like structure formation on the ridges, and medium development of fingerprints

7.

Kaveri cone mehendi (synthetic)

Fingerprint pattern can or cannot be identified, partially visible fingerprint, ridge details not clear, no merging of the ridges and clump-like structure formation on the ridges, visibility of sweat pores, very light appearance of the fingerprints, and limited development of fingerprints

8.

Neha mehendi (natural)

Identifiable fingerprint pattern, clear ridge details, no merging of the ridges and visibility of sweat pores, no clump-like structure formation on the ridges, dark appearance of the fingerprints, and strong development of fingerprints