| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Desquamation, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Epidermal diffusion, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Galvanic skin response, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Skin aging, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Skin melanocyte function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Keratinization, function | Is a | False | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Stratum corneum adhesiveness, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Skin thermoregulation, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Sebaceous gland activity, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Stratum corneum production, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Melanocyte production, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Skin pH, function (observable entity) | Is a | False | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Sweats, function (observable entity) | Is a | False | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Skin sensitivity, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Piloerection, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Stratum corneum water-binding capacity, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Epidermopoiesis, function | Is a | False | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Sweating, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  | 
| Skin growth, function | Is a | True | Skin function | Inferred relationship | Existential restriction modifier |  |