Natural skin care compositions and methods for treating oxidative stress and restoring skin health

1. A composition for application onto human skin, the composition comprising:

(1) a mixture of at least:

(a) about 1 to about 10% by weight of a leaf extract of Aristotelia chilensis;

(b) about 0.5 to about 3% by weight of a leaf extract of Buddleja globosa;

(c) about 0.5 to about 3% by weight of a leaf extract of Ugni molinae;

(d) optionally, about 1 to about 5% by weight of a bark/seed extract of Entada phaseoloides;

(e) optionally, about 1 to about 5% by weight of a blend of Pfaffia paniculata, Ptychopetalum olacoides , and Lilium candidum extracts; and

(f) about 1.0 to about 8.0% by weight of at least one humectant;

(2) an emulsifier; and

(3) a dermatologically acceptable carrier,

wherein (a)-(f) synergistically neutralize existing free radicals present in the skin, while proactively priming the skin by repairing and/or protecting its stratum corneum without unduly impairing the Stratum corneum 's acid mantle,

wherein the composition is natural, free of a skin-sensitizing amount of an essential oil, and has a pH ranging from about 4.5 to about 5.5 and

wherein the composition is in the form of a solution, suspension, lotion, cream, gel, spray, ointment, foam, serum, or combination thereof.

2. The composition of claim 1 , wherein (a) is employed in an amount of from about 1 to about 10% by weight, (b) is employed in an amount of from about 0.5 to about 3% by weight, (c) is employed in an amount of from about 0.5 to about 3% by weight, (d) is employed in an amount of from about 1 to about 5% by weight, and (f) is employed in an amount of from about 1.0 to about 6.0% by weight, all weights based on the total weight of the composition.

3. The composition of claim 1 , wherein (a) is employed in an amount of from about 1 to about 10% by weight, (b) is employed in an amount of from about 0.5 to about 3% by weight, (c) is employed in an amount of from about 0.5 to about 3% by weight, (e) is employed in an amount of from about 1 to about 5% by weight, and (f) is employed in an amount of from about 1.0 to about 6.0% by weight, all weights based on the total weight of the composition.

4. The composition of claim 1 , further comprising Peumus boldus leaf extract employed in an amount from about 0.1 to about 5% by weight based on the total weight of the composition.

5. A composition intended for application onto human skin, the composition comprising:

(1) a preservative system comprising:

(a) from about 1 to about 5% by weight of a Lactobacillus ferment;

(b) from about 1 to about 5% by weight, of a Lactobacillus and Cocos nucifera fruit extract;

(c) up to about 0.5% by weight of salicylic acid;

(d) from about 0.1 to about 0.5% by weight of at least one salt of a weak acid; and

(e) from about 1 to about 10% by weight of a petroleum-free 1,3-propanediol;

(2) a mixture of at least:

(f) about 1 to about 10% by weight of a leaf extract of Aristotelia chilensis;

(g) about 0.5 to about 3% by weight of a leaf extract of Buddleja globosa;

(h) about 0.5 to about 3% by weight of a leaf extract of Ugni molinae;

(i) optionally, about 1 to about 5% by weight of a bark/seed extract of Entada phaseoloides;

(j) optionally, about 1 to about 5% by weight of a blend of Pfaffia paniculata, Ptychopetalum olacoides , and Lilium candidum extracts; and

(k) about 1.0 to about 8.0% by weight of at least one humectant, wherein (f) (k) synergistically neutralize existing free radicals present in the skin while proactively priming the skin by repairing and/or protecting its stratum corneum without unduly impairing the Stratum corneum 's acid mantle;

(3) an emulsifier; and

(4) a dermatologically acceptable carrier, wherein the composition is natural, free of a skin sensitizing-effective amount of an essential oil, and has a pH ranging from about 4.5 to about 5.5.

6. The composition of claim 5 , wherein (a) is employed in an amount of from about 2 to about 4% by weight, (b) is employed in an amount of from about 2 to about 4% by weight, (c) is employed in an amount of from about 0.1 to about 0.45% by weight, and (d) is employed in an amount of from about 0.2 to about 0.4% by weight, and (e) is employed in an amount of from about 2 to about 8% by weight, all weights based on the total weight of the composition.

7. The composition of claim 5 , wherein (f) is employed in an amount of from about 1 to about 10% by weight, (g) is employed in an amount of from about 0.5 to about 3% by weight, (h) is employed in an amount of from about 0.5 to about 3% by weight, (i) is employed in an amount of from about 1 to about 5% by weight, (j) is employed in an amount of from about 1 to about 5% by weight, and (k) is employed in an amount of from about 1.0 to about 6.0% by weight, all weights based on the total weight of the composition.

8. The composition of claim 5 , wherein (f) is employed in an amount of from about 2 to about 5% by weight, (g) is employed in an amount of from about 1 to about 2% by weight, (h) is employed in an amount of from about 1 to about 2% by weight, (i) is employed in an amount of from about 2 to about 3% by weight, (j) is employed in an amount of from about 2 to about 3% by weight, and (k) is employed in an amount of from about 1.5 to about 4.0% by weight, all weights based on the total weight of the composition.

9. The composition of claim 5 , wherein (f)is employed in an amount of from about 2 to about 5% by weight, (g) is employed in an amount of from about 1 to about 2% by weight, (h) is employed in an amount of from about 1 to about 2% by weight, (i) is employed in an amount of from about 2 to about 3% by weight, and (k) is employed in an amount of from about 2.0 to about 6.0% by weight, all weights based on the total weight of the composition.

10. The composition of claim 5 , having a pH ranging from about 4.8 to about 5.3.

11. The composition of claim 5 , further comprising Peumus boldus leaf extract employed in an amount of from about 0.1 to about 5% by weight, based on the total weight of the composition.

12. A method of simultaneously treating skin damaged by oxidative stress and proactively priming the skin in order to enhance its ability to defend itself against free radical aggression and dry-skin-inducing water loss, comprising applying onto the skin the composition of claim 1 .

13. The method of claim 12 , wherein (a) is employed in an amount of from about 1 to about 10% by weight, (b) is employed in an amount of from about 0.5 to about 3% by weight, (c) is employed in an amount of from about 0.5 to about 3% by weight, (d) is employed in an amount of from about 1 to about 5% by weight, and (f) is employed in an amount of from about 1.0 to about 6.0% by weight, all weights based on the total weight of the composition.

14. A method of simultaneously treating skin suffering from oxidative stress and proactively priming the skin in order to enhance its ability to defend itself against future free radical aggression and dry-skin-inducing water loss by applying onto the skin the composition of claim 5 .